23413121 has 8 divisors (see below), whose sum is σ = 24679080. Its totient is φ = 22177792.

The previous prime is 23413109. The next prime is 23413133. The reversal of 23413121 is 12131432.

It is an interprime number because it is at equal distance from previous prime (23413109) and next prime (23413133).

It can be written as a sum of positive squares in 4 ways, for example, as 2436721 + 20976400 = 1561^2 + 4580^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23413121 is a prime.

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 23413121.

It is not an unprimeable number, because it can be changed into a prime (23413171) 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, 6080 + ... + 9153.

It is an arithmetic number, because the mean of its divisors is an integer number (3084885).

Almost surely, 2^23413121 is an apocalyptic number.

It is an amenable number.

23413121 is a deficient number, since it is larger than the sum of its proper divisors (1265959).

23413121 is a wasteful number, since it uses less digits than its factorization.

23413121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15315.

The product of its digits is 144, while the sum is 17.

The square root of 23413121 is about 4838.7106753762. The cubic root of 23413121 is about 286.0793013668.

Adding to 23413121 its reverse (12131432), we get a palindrome (35544553).

The spelling of 23413121 in words is "twenty-three million, four hundred thirteen thousand, one hundred twenty-one".