23931379154 has 8 divisors (see below), whose sum is σ = 36079287948. Its totient is φ = 11904949840.

The previous prime is 23931379141. The next prime is 23931379169. The reversal of 23931379154 is 45197313932.

It can be written as a sum of positive squares in 2 ways, for example, as 23846462929 + 84916225 = 154423^2 + 9215^2 .

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

It is a super-3 number, since 3×23931379154³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23931379099 and 23931379108.

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, 30369377 + ... + 30370164.

Almost surely, 2^23931379154 is an apocalyptic number.

23931379154 is a deficient number, since it is larger than the sum of its proper divisors (12147908794).

23931379154 is a wasteful number, since it uses less digits than its factorization.

23931379154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60739740.

The product of its digits is 612360, while the sum is 47.

The spelling of 23931379154 in words is "twenty-three billion, nine hundred thirty-one million, three hundred seventy-nine thousand, one hundred fifty-four".