23313121 has 8 divisors (see below), whose sum is σ = 25148480. Its totient is φ = 21483792.

The previous prime is 23313113. The next prime is 23313149. The reversal of 23313121 is 12131332.

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 23313121 - 2³ = 23313113 is a prime.

It is a super-2 number, since 2×23313121² = 1087003221521282, 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 = 23313095 and 23313104.

It is not an unprimeable number, because it can be changed into a prime (23313161) 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, 9610 + ... + 11788.

It is an arithmetic number, because the mean of its divisors is an integer number (3143560).

Almost surely, 2^23313121 is an apocalyptic number.

It is an amenable number.

23313121 is a deficient number, since it is larger than the sum of its proper divisors (1835359).

23313121 is a wasteful number, since it uses less digits than its factorization.

23313121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3015.

The product of its digits is 108, while the sum is 16.

The square root of 23313121 is about 4828.3662868511. The cubic root of 23313121 is about 285.6714281311.

Adding to 23313121 its reverse (12131332), we get a palindrome (35444453).

The spelling of 23313121 in words is "twenty-three million, three hundred thirteen thousand, one hundred twenty-one".