23890607284 has 18 divisors (see below), whose sum is σ = 41999356770. Its totient is φ = 11890811952.

The previous prime is 23890607267. The next prime is 23890607287. The reversal of 23890607284 is 48270609832.

It can be written as a sum of positive squares in only one way, i.e., 23473304100 + 417303184 = 153210^2 + 20428^2 .

It is a super-2 number, since 2×23890607284² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23890607287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4675459 + ... + 4680565.

Almost surely, 2^23890607284 is an apocalyptic number.

It is an amenable number.

23890607284 is a deficient number, since it is larger than the sum of its proper divisors (18108749486).

23890607284 is an frugal number, since it uses more digits than its factorization.

23890607284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10447 (or 5338 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 49.

The spelling of 23890607284 in words is "twenty-three billion, eight hundred ninety million, six hundred seven thousand, two hundred eighty-four".