23477723 has 4 divisors (see below), whose sum is σ = 23489928. Its totient is φ = 23465520.

The previous prime is 23477719. The next prime is 23477743. The reversal of 23477723 is 32777432.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 23477723 - 2² = 23477719 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23477743) 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, 2513 + ... + 7298.

It is an arithmetic number, because the mean of its divisors is an integer number (5872482).

Almost surely, 2^23477723 is an apocalyptic number.

23477723 is a deficient number, since it is larger than the sum of its proper divisors (12205).

23477723 is an equidigital number, since it uses as much as digits as its factorization.

23477723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12204.

The product of its digits is 49392, while the sum is 35.

The square root of 23477723 is about 4845.3816155180. The cubic root of 23477723 is about 286.3421785093.

The spelling of 23477723 in words is "twenty-three million, four hundred seventy-seven thousand, seven hundred twenty-three".