23549955996 has 24 divisors (see below), whose sum is σ = 62799882880. Its totient is φ = 6728558832.

The previous prime is 23549955931. The next prime is 23549955997. The reversal of 23549955996 is 69955994532.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23549955997) 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, 140178226 + ... + 140178393.

Almost surely, 2^23549955996 is an apocalyptic number.

It is an amenable number.

23549955996 is an abundant number, since it is smaller than the sum of its proper divisors (39249926884).

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

23549955996 is a wasteful number, since it uses less digits than its factorization.

23549955996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280356633 (or 280356631 counting only the distinct ones).

The product of its digits is 118098000, while the sum is 66.

The spelling of 23549955996 in words is "twenty-three billion, five hundred forty-nine million, nine hundred fifty-five thousand, nine hundred ninety-six".