23870431 has 8 divisors (see below), whose sum is σ = 27219024. Its totient is φ = 20737920.

The previous prime is 23870411. The next prime is 23870443. The reversal of 23870431 is 13407832.

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 23870431 - 2⁷ = 23870303 is a prime.

It is a super-2 number, since 2×23870431² = 1139594952251522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23870431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23870411) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 53785 + ... + 54226.

It is an arithmetic number, because the mean of its divisors is an integer number (3402378).

Almost surely, 2^23870431 is an apocalyptic number.

23870431 is a deficient number, since it is larger than the sum of its proper divisors (3348593).

23870431 is a wasteful number, since it uses less digits than its factorization.

23870431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108041.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 23870431 is about 4885.7375082990. The cubic root of 23870431 is about 287.9298914674.

The spelling of 23870431 in words is "twenty-three million, eight hundred seventy thousand, four hundred thirty-one".