23390002404 has 18 divisors (see below), whose sum is σ = 59124728390. Its totient is φ = 7796667456.

The previous prime is 23390002387. The next prime is 23390002423. The reversal of 23390002404 is 40420009332.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 15563061504 + 7826940900 = 124752^2 + 88470^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 324861109 + ... + 324861180.

Almost surely, 2^23390002404 is an apocalyptic number.

It is an amenable number.

23390002404 is an abundant number, since it is smaller than the sum of its proper divisors (35734725986).

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

23390002404 is a wasteful number, since it uses less digits than its factorization.

23390002404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649722299 (or 649722294 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The spelling of 23390002404 in words is "twenty-three billion, three hundred ninety million, two thousand, four hundred four".