23147935356 has 240 divisors, whose sum is σ = 70833659904. Its totient is φ = 5837344128.

The previous prime is 23147935339. The next prime is 23147935381. The reversal of 23147935356 is 65353974132.

It is a super-2 number, since 2×23147935356² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 8613445 + ... + 8616131.

Almost surely, 2^23147935356 is an apocalyptic number.

23147935356 is a gapful number since it is divisible by the number (26) 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 23147935356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35416829952).

23147935356 is an abundant number, since it is smaller than the sum of its proper divisors (47685724548).

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

23147935356 is a wasteful number, since it uses less digits than its factorization.

23147935356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2758 (or 2735 counting only the distinct ones).

The product of its digits is 2041200, while the sum is 48.

The spelling of 23147935356 in words is "twenty-three billion, one hundred forty-seven million, nine hundred thirty-five thousand, three hundred fifty-six".