23323631 has 4 divisors (see below), whose sum is σ = 23377200. Its totient is φ = 23270064.

The previous prime is 23323613. The next prime is 23323639. The reversal of 23323631 is 13632332.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23323631 - 2⁶ = 23323567 is a prime.

It is a super-2 number, since 2×23323631² = 1087983526048322, 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 = 23323597 and 23323606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23323639) 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 3 ways as a sum of consecutive naturals, for example, 26126 + ... + 27003.

It is an arithmetic number, because the mean of its divisors is an integer number (5844300).

Almost surely, 2^23323631 is an apocalyptic number.

23323631 is a deficient number, since it is larger than the sum of its proper divisors (53569).

23323631 is an equidigital number, since it uses as much as digits as its factorization.

23323631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53568.

The product of its digits is 1944, while the sum is 23.

The square root of 23323631 is about 4829.4545240638. The cubic root of 23323631 is about 285.7143503928.

Adding to 23323631 its reverse (13632332), we get a palindrome (36955963).

The spelling of 23323631 in words is "twenty-three million, three hundred twenty-three thousand, six hundred thirty-one".