23920831 has 8 divisors (see below), whose sum is σ = 26302464. Its totient is φ = 21573720.

The previous prime is 23920811. The next prime is 23920877. The reversal of 23920831 is 13802932.

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 23920831 - 2⁷ = 23920703 is a prime.

It is a super-2 number, since 2×23920831² = 1144412311461122, 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 23920831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23920811) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7165 + ... + 9958.

It is an arithmetic number, because the mean of its divisors is an integer number (3287808).

Almost surely, 2^23920831 is an apocalyptic number.

23920831 is a deficient number, since it is larger than the sum of its proper divisors (2381633).

23920831 is a wasteful number, since it uses less digits than its factorization.

23920831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17261.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 23920831 is about 4890.8926588098. The cubic root of 23920831 is about 288.1323939580.

The spelling of 23920831 in words is "twenty-three million, nine hundred twenty thousand, eight hundred thirty-one".