23403455663 has 8 divisors (see below), whose sum is σ = 26756819232. Its totient is φ = 20052595296.

The previous prime is 23403455657. The next prime is 23403455693. The reversal of 23403455663 is 36655430432.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23403455663 - 2³⁰ = 22329713839 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23403455663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23403455693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 605720 + ... + 643197.

It is an arithmetic number, because the mean of its divisors is an integer number (3344602404).

Almost surely, 2^23403455663 is an apocalyptic number.

23403455663 is a deficient number, since it is larger than the sum of its proper divisors (3353363569).

23403455663 is a wasteful number, since it uses less digits than its factorization.

23403455663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1251601.

The product of its (nonzero) digits is 777600, while the sum is 41.

The spelling of 23403455663 in words is "twenty-three billion, four hundred three million, four hundred fifty-five thousand, six hundred sixty-three".