23180977 has 4 divisors (see below), whose sum is σ = 23215216. Its totient is φ = 23146740.

The previous prime is 23180959. The next prime is 23181001. The reversal of 23180977 is 77908132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23180977 - 2¹¹ = 23178929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23180177) 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 3 ways as a sum of consecutive naturals, for example, 16083 + ... + 17464.

It is an arithmetic number, because the mean of its divisors is an integer number (5803804).

Almost surely, 2^23180977 is an apocalyptic number.

It is an amenable number.

23180977 is a deficient number, since it is larger than the sum of its proper divisors (34239).

23180977 is an equidigital number, since it uses as much as digits as its factorization.

23180977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34238.

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 23180977 is about 4814.6627088510. The cubic root of 23180977 is about 285.1306551852.

The spelling of 23180977 in words is "twenty-three million, one hundred eighty thousand, nine hundred seventy-seven".