23713644390 has 32 divisors (see below), whose sum is σ = 57048606720. Its totient is φ = 6308542944.

The previous prime is 23713644377. The next prime is 23713644413. The reversal of 23713644390 is 9344631732.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 930694 + ... + 955833.

It is an arithmetic number, because the mean of its divisors is an integer number (1782768960).

Almost surely, 2^23713644390 is an apocalyptic number.

23713644390 is an abundant number, since it is smaller than the sum of its proper divisors (33334962330).

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

23713644390 is a wasteful number, since it uses less digits than its factorization.

23713644390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1886956.

The product of its (nonzero) digits is 326592, while the sum is 42.

The spelling of 23713644390 in words is "twenty-three billion, seven hundred thirteen million, six hundred forty-four thousand, three hundred ninety".