23538769 has 2 divisors, whose sum is σ = 23538770. Its totient is φ = 23538768.

The previous prime is 23538751. The next prime is 23538773. The reversal of 23538769 is 96783532.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17472400 + 6066369 = 4180^2 + 2463^2 .

It is a cyclic number.

It is not a de Polignac number, because 23538769 - 2⁵ = 23538737 is a prime.

It is a super-2 number, since 2×23538769² = 1108147292070722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23538709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11769384 + 11769385.

It is an arithmetic number, because the mean of its divisors is an integer number (11769385).

Almost surely, 2^23538769 is an apocalyptic number.

It is an amenable number.

23538769 is a deficient number, since it is larger than the sum of its proper divisors (1).

23538769 is an equidigital number, since it uses as much as digits as its factorization.

23538769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 272160, while the sum is 43.

The square root of 23538769 is about 4851.6769265894. The cubic root of 23538769 is about 286.5901428758.

The spelling of 23538769 in words is "twenty-three million, five hundred thirty-eight thousand, seven hundred sixty-nine".