23406514018 has 4 divisors (see below), whose sum is σ = 35109771030. Its totient is φ = 11703257008.

The previous prime is 23406514007. The next prime is 23406514031. The reversal of 23406514018 is 81041560432.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 19244070729 + 4162443289 = 138723^2 + 64517^2 .

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 as a sum of consecutive naturals, namely, 5851628503 + ... + 5851628506.

Almost surely, 2^23406514018 is an apocalyptic number.

23406514018 is a deficient number, since it is larger than the sum of its proper divisors (11703257012).

23406514018 is a wasteful number, since it uses less digits than its factorization.

23406514018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11703257011.

The product of its (nonzero) digits is 23040, while the sum is 34.

The spelling of 23406514018 in words is "twenty-three billion, four hundred six million, five hundred fourteen thousand, eighteen".