23357958078 has 192 divisors, whose sum is σ = 62220711168. Its totient is φ = 5774146560.

The previous prime is 23357958077. The next prime is 23357958101. The reversal of 23357958078 is 87085975332.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23357958073) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 19946433 + ... + 19947603.

It is an arithmetic number, because the mean of its divisors is an integer number (324066204).

Almost surely, 2^23357958078 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23357958078, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31110355584).

23357958078 is an abundant number, since it is smaller than the sum of its proper divisors (38862753090).

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

23357958078 is a wasteful number, since it uses less digits than its factorization.

23357958078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1527 (or 1520 counting only the distinct ones).

The product of its (nonzero) digits is 12700800, while the sum is 57.

The spelling of 23357958078 in words is "twenty-three billion, three hundred fifty-seven million, nine hundred fifty-eight thousand, seventy-eight".