23634303351540 has 144 divisors (see below), whose sum is σ = 77145146874432. Its totient is φ = 5390558444544.

The previous prime is 23634303351481. The next prime is 23634303351541. The reversal of 23634303351540 is 4515330343632.

It is a super-2 number, since 2×23634303351540² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 23634303351492 and 23634303351501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23634303351541) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7233957 + ... + 9979916.

It is an arithmetic number, because the mean of its divisors is an integer number (535730186628).

Almost surely, 2^{23634303351540} is an apocalyptic number.

23634303351540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23634303351540 is an abundant number, since it is smaller than the sum of its proper divisors (53510843522892).

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

23634303351540 is a wasteful number, since it uses less digits than its factorization.

23634303351540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17214366 (or 17214357 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 42.

The spelling of 23634303351540 in words is "twenty-three trillion, six hundred thirty-four billion, three hundred three million, three hundred fifty-one thousand, five hundred forty".