23684663390 has 16 divisors (see below), whose sum is σ = 42810776640. Its totient is φ = 9434224800.

The previous prime is 23684663377. The next prime is 23684663441. The reversal of 23684663390 is 9336648632.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4952561 + ... + 4957340.

It is an arithmetic number, because the mean of its divisors is an integer number (2675673540).

Almost surely, 2^23684663390 is an apocalyptic number.

23684663390 is a deficient number, since it is larger than the sum of its proper divisors (19126113250).

23684663390 is a wasteful number, since it uses less digits than its factorization.

23684663390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9910147.

The product of its (nonzero) digits is 3359232, while the sum is 50.

The spelling of 23684663390 in words is "twenty-three billion, six hundred eighty-four million, six hundred sixty-three thousand, three hundred ninety".