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23423302340 = 2251171165117
BaseRepresentation
bin10101110100001000…
…110011101011000100
32020110102002001020022
4111310020303223010
5340432331133330
614432134354312
71456310533124
oct256410635304
966412061208
1023423302340
119a2a930809
1246584bb998
13229399c019
1411c2bdac84
15921577ae5
hex574233ac4

23423302340 has 12 divisors (see below), whose sum is σ = 49188934956. Its totient is φ = 9369320928.

The previous prime is 23423302333. The next prime is 23423302451. The reversal of 23423302340 is 4320332432.

It can be written as a sum of positive squares in 2 ways, for example, as 11593259584 + 11830042756 = 107672^2 + 108766^2 .

It is a super-2 number, since 2×234233023402 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 585582539 + ... + 585582578.

It is an arithmetic number, because the mean of its divisors is an integer number (4099077913).

Almost surely, 223423302340 is an apocalyptic number.

23423302340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23423302340 is an abundant number, since it is smaller than the sum of its proper divisors (25765632616).

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

23423302340 is a wasteful number, since it uses less digits than its factorization.

23423302340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1171165126 (or 1171165124 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 26.

Adding to 23423302340 its reverse (4320332432), we get a palindrome (27743634772).

The spelling of 23423302340 in words is "twenty-three billion, four hundred twenty-three million, three hundred two thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 1171165117 2342330234 4684660468 5855825585 11711651170 23423302340