23426121 has 16 divisors (see below), whose sum is σ = 32707584. Its totient is φ = 14885904.

The previous prime is 23426093. The next prime is 23426131. The reversal of 23426121 is 12162432.

It is not a de Polignac number, because 23426121 - 2⁵ = 23426089 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23426131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31860 + ... + 32586.

It is an arithmetic number, because the mean of its divisors is an integer number (2044224).

Almost surely, 2^23426121 is an apocalyptic number.

It is an amenable number.

23426121 is a deficient number, since it is larger than the sum of its proper divisors (9281463).

23426121 is a wasteful number, since it uses less digits than its factorization.

23426121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1220.

The product of its digits is 576, while the sum is 21.

The square root of 23426121 is about 4840.0538220148. The cubic root of 23426121 is about 286.1322395292.

Adding to 23426121 its reverse (12162432), we get a palindrome (35588553).

The spelling of 23426121 in words is "twenty-three million, four hundred twenty-six thousand, one hundred twenty-one".