23125831 has 8 divisors (see below), whose sum is σ = 25775280. Its totient is φ = 20619648.

The previous prime is 23125829. The next prime is 23125859. The reversal of 23125831 is 13852132.

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

It is a cyclic number.

It is not a de Polignac number, because 23125831 - 2¹ = 23125829 is a prime.

It is a super-2 number, since 2×23125831² = 1069608118881122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23125796 and 23125805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23125871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35476 + ... + 36121.

It is an arithmetic number, because the mean of its divisors is an integer number (3221910).

Almost surely, 2^23125831 is an apocalyptic number.

23125831 is a deficient number, since it is larger than the sum of its proper divisors (2649449).

23125831 is a wasteful number, since it uses less digits than its factorization.

23125831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71633.

The product of its digits is 1440, while the sum is 25.

The square root of 23125831 is about 4808.9324179073. The cubic root of 23125831 is about 284.9043733759.

Adding to 23125831 its reverse (13852132), we get a palindrome (36977963).

It can be divided in two parts, 2312 and 5831, that multiplied together give a cube (13481272 = 238³).

The spelling of 23125831 in words is "twenty-three million, one hundred twenty-five thousand, eight hundred thirty-one".