23661714451 has 16 divisors (see below), whose sum is σ = 24476272128. Its totient is φ = 22860583200.

The previous prime is 23661714437. The next prime is 23661714457. The reversal of 23661714451 is 15441716632.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23661714451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23661714457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8662756 + ... + 8665486.

It is an arithmetic number, because the mean of its divisors is an integer number (1529767008).

Almost surely, 2^23661714451 is an apocalyptic number.

23661714451 is a deficient number, since it is larger than the sum of its proper divisors (814557677).

23661714451 is a wasteful number, since it uses less digits than its factorization.

23661714451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5082.

The product of its digits is 120960, while the sum is 40.

The spelling of 23661714451 in words is "twenty-three billion, six hundred sixty-one million, seven hundred fourteen thousand, four hundred fifty-one".