23253121 has 2 divisors, whose sum is σ = 23253122. Its totient is φ = 23253120.

The previous prime is 23253107. The next prime is 23253137. The reversal of 23253121 is 12135232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13424896 + 9828225 = 3664^2 + 3135^2 .

It is a cyclic number.

It is not a de Polignac number, because 23253121 - 2⁷ = 23252993 is a prime.

It is not a weakly prime, because it can be changed into another prime (23253151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11626560 + 11626561.

It is an arithmetic number, because the mean of its divisors is an integer number (11626561).

Almost surely, 2^23253121 is an apocalyptic number.

It is an amenable number.

23253121 is a deficient number, since it is larger than the sum of its proper divisors (1).

23253121 is an equidigital number, since it uses as much as digits as its factorization.

23253121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 360, while the sum is 19.

The square root of 23253121 is about 4822.1490022603. The cubic root of 23253121 is about 285.4261440676.

Adding to 23253121 its reverse (12135232), we get a palindrome (35388353).

The spelling of 23253121 in words is "twenty-three million, two hundred fifty-three thousand, one hundred twenty-one".