23963506603 has 4 divisors (see below), whose sum is σ = 23964235488. Its totient is φ = 23962777720.

The previous prime is 23963506597. The next prime is 23963506643. The reversal of 23963506603 is 30660536932.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23963506603 - 2¹⁷ = 23963375531 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 23963506603.

It is not an unprimeable number, because it can be changed into a prime (23963506643) 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, 312676 + ... + 381697.

It is an arithmetic number, because the mean of its divisors is an integer number (5991058872).

Almost surely, 2^23963506603 is an apocalyptic number.

23963506603 is a deficient number, since it is larger than the sum of its proper divisors (728885).

23963506603 is an equidigital number, since it uses as much as digits as its factorization.

23963506603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728884.

The product of its (nonzero) digits is 524880, while the sum is 43.

The spelling of 23963506603 in words is "twenty-three billion, nine hundred sixty-three million, five hundred six thousand, six hundred three".