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23323316940 = 2232572111779179
BaseRepresentation
bin10101101110001011…
…011001001011001100
32020012102221021001100
4111232023121023030
5340231232120230
614414203343100
71453654631400
oct255613311314
966172837040
1023323316940
11998944a250
12462ab21a90
132279062071
1411b3811100
159178c7660
hex56e2d92cc

23323316940 has 864 divisors, whose sum is σ = 96801868800. Its totient is φ = 4478423040.

The previous prime is 23323316909. The next prime is 23323316941. The reversal of 23323316940 is 4961332332.

23323316940 is a `hidden beast` number, since 2 + 332 + 3 + 316 + 9 + 4 + 0 = 666.

It is a super-2 number, since 2×233233169402 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 23323316895 and 23323316904.

It is not an unprimeable number, because it can be changed into a prime (23323316941) by changing a digit.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 130297771 + ... + 130297949.

It is an arithmetic number, because the mean of its divisors is an integer number (112039200).

Almost surely, 223323316940 is an apocalyptic number.

23323316940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23323316940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48400934400).

23323316940 is an abundant number, since it is smaller than the sum of its proper divisors (73478551860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23323316940 is a wasteful number, since it uses less digits than its factorization.

23323316940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315 (or 303 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 36.

The spelling of 23323316940 in words is "twenty-three billion, three hundred twenty-three million, three hundred sixteen thousand, nine hundred forty".