23261137 has 2 divisors, whose sum is σ = 23261138. Its totient is φ = 23261136.

The previous prime is 23261131. The next prime is 23261159. The reversal of 23261137 is 73116232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22619536 + 641601 = 4756^2 + 801^2 .

It is a cyclic number.

It is not a de Polignac number, because 23261137 - 2¹⁵ = 23228369 is a prime.

It is equal to p_1463614 and since 23261137 and 1463614 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (23261131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11630568 + 11630569.

It is an arithmetic number, because the mean of its divisors is an integer number (11630569).

Almost surely, 2^23261137 is an apocalyptic number.

It is an amenable number.

23261137 is a deficient number, since it is larger than the sum of its proper divisors (1).

23261137 is an equidigital number, since it uses as much as digits as its factorization.

23261137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1512, while the sum is 25.

The square root of 23261137 is about 4822.9800953352. The cubic root of 23261137 is about 285.4589384197.

Adding to 23261137 its reverse (73116232), we get a palindrome (96377369).

The spelling of 23261137 in words is "twenty-three million, two hundred sixty-one thousand, one hundred thirty-seven".