23534213952 has 56 divisors (see below), whose sum is σ = 64276256512. Its totient is φ = 7591680000.

The previous prime is 23534213887. The next prime is 23534213957. The reversal of 23534213952 is 25931243532.

It is a super-2 number, since 2×23534213952² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23534213952.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23534213957) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1971049 + ... + 1982952.

Almost surely, 2^23534213952 is an apocalyptic number.

It is an amenable number.

23534213952 is an abundant number, since it is smaller than the sum of its proper divisors (40742042560).

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

23534213952 is a wasteful number, since it uses less digits than its factorization.

23534213952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3954047 (or 3954037 counting only the distinct ones).

The product of its digits is 194400, while the sum is 39.

The spelling of 23534213952 in words is "twenty-three billion, five hundred thirty-four million, two hundred thirteen thousand, nine hundred fifty-two".