23964121 has 4 divisors (see below), whose sum is σ = 24790500. Its totient is φ = 23137744.

The previous prime is 23964119. The next prime is 23964173. The reversal of 23964121 is 12146932.

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

It can be written as a sum of positive squares in 2 ways, for example, as 17015625 + 6948496 = 4125^2 + 2636^2 .

It is a cyclic number.

It is not a de Polignac number, because 23964121 - 2¹ = 23964119 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 23964121.

It is not an unprimeable number, because it can be changed into a prime (23964181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 413146 + ... + 413203.

It is an arithmetic number, because the mean of its divisors is an integer number (6197625).

Almost surely, 2^23964121 is an apocalyptic number.

It is an amenable number.

23964121 is a deficient number, since it is larger than the sum of its proper divisors (826379).

23964121 is an equidigital number, since it uses as much as digits as its factorization.

23964121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 826378.

The product of its digits is 2592, while the sum is 28.

The square root of 23964121 is about 4895.3162308476. The cubic root of 23964121 is about 288.3061021725.

The spelling of 23964121 in words is "twenty-three million, nine hundred sixty-four thousand, one hundred twenty-one".