23051121 has 4 divisors (see below), whose sum is σ = 30734832. Its totient is φ = 15367412.

The previous prime is 23051081. The next prime is 23051183. The reversal of 23051121 is 12115032.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23051121 - 2⁶ = 23051057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23051121.

It is not an unprimeable number, because it can be changed into a prime (23051521) 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, 3841851 + ... + 3841856.

It is an arithmetic number, because the mean of its divisors is an integer number (7683708).

Almost surely, 2^23051121 is an apocalyptic number.

It is an amenable number.

23051121 is a deficient number, since it is larger than the sum of its proper divisors (7683711).

23051121 is an equidigital number, since it uses as much as digits as its factorization.

23051121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7683710.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 23051121 is about 4801.1582977444. The cubic root of 23051121 is about 284.5972396460.

Adding to 23051121 its reverse (12115032), we get a palindrome (35166153).

The spelling of 23051121 in words is "twenty-three million, fifty-one thousand, one hundred twenty-one".