23053121 has 16 divisors (see below), whose sum is σ = 28560000. Its totient is φ = 18227664.

The previous prime is 23053103. The next prime is 23053141. The reversal of 23053121 is 12135032.

It is not a de Polignac number, because 23053121 - 2¹⁰ = 23052097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23053121.

It is not an unprimeable number, because it can be changed into a prime (23053141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14630 + ... + 16128.

It is an arithmetic number, because the mean of its divisors is an integer number (1785000).

Almost surely, 2^23053121 is an apocalyptic number.

It is an amenable number.

23053121 is a deficient number, since it is larger than the sum of its proper divisors (5506879).

23053121 is an equidigital number, since it uses as much as digits as its factorization.

23053121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1545 (or 1519 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 23053121 is about 4801.3665762989. The cubic root of 23053121 is about 284.6054703089.

Adding to 23053121 its reverse (12135032), we get a palindrome (35188153).

The spelling of 23053121 in words is "twenty-three million, fifty-three thousand, one hundred twenty-one".