23131678 has 8 divisors (see below), whose sum is σ = 35504568. Its totient is φ = 11296824.

The previous prime is 23131651. The next prime is 23131681. The reversal of 23131678 is 87613132.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134401 + ... + 134572.

It is an arithmetic number, because the mean of its divisors is an integer number (4438071).

Almost surely, 2^23131678 is an apocalyptic number.

23131678 is a deficient number, since it is larger than the sum of its proper divisors (12372890).

23131678 is a wasteful number, since it uses less digits than its factorization.

23131678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269018.

The product of its digits is 6048, while the sum is 31.

The square root of 23131678 is about 4809.5403106742. The cubic root of 23131678 is about 284.9283825383.

The spelling of 23131678 in words is "twenty-three million, one hundred thirty-one thousand, six hundred seventy-eight".