23136797 has 4 divisors (see below), whose sum is σ = 23170140. Its totient is φ = 23103456.

The previous prime is 23136769. The next prime is 23136811. The reversal of 23136797 is 79763132.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9156676 + 13980121 = 3026^2 + 3739^2 .

It is a cyclic number.

It is not a de Polignac number, because 23136797 - 2¹⁰ = 23135773 is a prime.

It is a super-2 number, since 2×23136797² = 1070622750838418, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23136797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23136767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15608 + ... + 17025.

It is an arithmetic number, because the mean of its divisors is an integer number (5792535).

Almost surely, 2^23136797 is an apocalyptic number.

It is an amenable number.

23136797 is a deficient number, since it is larger than the sum of its proper divisors (33343).

23136797 is an equidigital number, since it uses as much as digits as its factorization.

23136797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33342.

The product of its digits is 47628, while the sum is 38.

The square root of 23136797 is about 4810.0724526768. The cubic root of 23136797 is about 284.9493990395.

The spelling of 23136797 in words is "twenty-three million, one hundred thirty-six thousand, seven hundred ninety-seven".