23604961 has 4 divisors (see below), whose sum is σ = 23631300. Its totient is φ = 23578624.

The previous prime is 23604953. The next prime is 23604967. The reversal of 23604961 is 16940632.

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 1089936 + 22515025 = 1044^2 + 4745^2 .

It is a cyclic number.

It is not a de Polignac number, because 23604961 - 2³ = 23604953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23604967) 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, 11776 + ... + 13633.

It is an arithmetic number, because the mean of its divisors is an integer number (5907825).

Almost surely, 2^23604961 is an apocalyptic number.

It is an amenable number.

23604961 is a deficient number, since it is larger than the sum of its proper divisors (26339).

23604961 is an equidigital number, since it uses as much as digits as its factorization.

23604961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26338.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 23604961 is about 4858.4936966101. The cubic root of 23604961 is about 286.8585259422.

The spelling of 23604961 in words is "twenty-three million, six hundred four thousand, nine hundred sixty-one".