23616344461 has 4 divisors (see below), whose sum is σ = 25005541212. Its totient is φ = 22227147712.

The previous prime is 23616344429. The next prime is 23616344467. The reversal of 23616344461 is 16444361632.

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 7542922500 + 16073421961 = 86850^2 + 126781^2 .

It is a cyclic number.

It is not a de Polignac number, because 23616344461 - 2⁵ = 23616344429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23616344467) 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, 694598350 + ... + 694598383.

It is an arithmetic number, because the mean of its divisors is an integer number (6251385303).

Almost surely, 2^23616344461 is an apocalyptic number.

It is an amenable number.

23616344461 is a deficient number, since it is larger than the sum of its proper divisors (1389196751).

23616344461 is a wasteful number, since it uses less digits than its factorization.

23616344461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1389196750.

The product of its digits is 248832, while the sum is 40.

The spelling of 23616344461 in words is "twenty-three billion, six hundred sixteen million, three hundred forty-four thousand, four hundred sixty-one".