23956628958 has 64 divisors (see below), whose sum is σ = 54957703680. Its totient is φ = 7730722944.

The previous prime is 23956628957. The next prime is 23956628959. The reversal of 23956628958 is 85982665932.

It is an interprime number because it is at equal distance from previous prime (23956628957) and next prime (23956628959).

It is a junction number, because it is equal to n+sod(n) for n = 23956628895 and 23956628904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23956628953) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 216735 + ... + 308037.

It is an arithmetic number, because the mean of its divisors is an integer number (858714120).

Almost surely, 2^23956628958 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23956628958, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27478851840).

23956628958 is an abundant number, since it is smaller than the sum of its proper divisors (31001074722).

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

23956628958 is a wasteful number, since it uses less digits than its factorization.

23956628958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91470 (or 91464 counting only the distinct ones).

The product of its digits is 55987200, while the sum is 63.

The spelling of 23956628958 in words is "twenty-three billion, nine hundred fifty-six million, six hundred twenty-eight thousand, nine hundred fifty-eight".