23938431898 has 8 divisors (see below), whose sum is σ = 35908819380. Its totient is φ = 11968825440.

The previous prime is 23938431871. The next prime is 23938431919. The reversal of 23938431898 is 89813483932.

It can be written as a sum of positive squares in 2 ways, for example, as 23936112369 + 2319529 = 154713^2 + 1523^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111433 + ... + 245548.

Almost surely, 2^23938431898 is an apocalyptic number.

23938431898 is a deficient number, since it is larger than the sum of its proper divisors (11970387482).

23938431898 is a wasteful number, since it uses less digits than its factorization.

23938431898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390512.

The product of its digits is 8957952, while the sum is 58.

The spelling of 23938431898 in words is "twenty-three billion, nine hundred thirty-eight million, four hundred thirty-one thousand, eight hundred ninety-eight".