23013431 has 8 divisors (see below), whose sum is σ = 26343840. Its totient is φ = 19693728.

The previous prime is 23013383. The next prime is 23013433. The reversal of 23013431 is 13431032.

It is a happy number.

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 23013431 - 2¹⁴ = 22997047 is a prime.

It is a super-2 number, since 2×23013431² = 1059236012783522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23013433) 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, 2645 + ... + 7281.

It is an arithmetic number, because the mean of its divisors is an integer number (3292980).

Almost surely, 2^23013431 is an apocalyptic number.

23013431 is a deficient number, since it is larger than the sum of its proper divisors (3330409).

23013431 is an equidigital number, since it uses as much as digits as its factorization.

23013431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5353.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 23013431 is about 4797.2315974945. The cubic root of 23013431 is about 284.4420437024.

Adding to 23013431 its reverse (13431032), we get a palindrome (36444463).

The spelling of 23013431 in words is "twenty-three million, thirteen thousand, four hundred thirty-one".