23804656390 has 16 divisors (see below), whose sum is σ = 42850866240. Its totient is φ = 9521310400.

The previous prime is 23804656363. The next prime is 23804656417. The reversal of 23804656390 is 9365640832.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (23804656363) and next prime (23804656417).

It is a self number, because there is not a number n which added to its sum of digits gives 23804656390.

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, 143091 + ... + 260929.

It is an arithmetic number, because the mean of its divisors is an integer number (2678179140).

Almost surely, 2^23804656390 is an apocalyptic number.

23804656390 is a deficient number, since it is larger than the sum of its proper divisors (19046209850).

23804656390 is a wasteful number, since it uses less digits than its factorization.

23804656390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138047.

The product of its (nonzero) digits is 933120, while the sum is 46.

The spelling of 23804656390 in words is "twenty-three billion, eight hundred four million, six hundred fifty-six thousand, three hundred ninety".