23420131 has 8 divisors (see below), whose sum is σ = 27143424. Its totient is φ = 19791240.

The previous prime is 23420123. The next prime is 23420167. The reversal of 23420131 is 13102432.

It is a happy number.

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

It is not a de Polignac number, because 23420131 - 2³ = 23420123 is a prime.

It is a super-2 number, since 2×23420131² = 1097005072114322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23420171) 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, 23065 + ... + 24058.

It is an arithmetic number, because the mean of its divisors is an integer number (3392928).

Almost surely, 2^23420131 is an apocalyptic number.

23420131 is a deficient number, since it is larger than the sum of its proper divisors (3723293).

23420131 is an equidigital number, since it uses as much as digits as its factorization.

23420131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47201.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 23420131 is about 4839.4349876819. The cubic root of 23420131 is about 286.1078496865.

Adding to 23420131 its reverse (13102432), we get a palindrome (36522563).

The spelling of 23420131 in words is "twenty-three million, four hundred twenty thousand, one hundred thirty-one".