23967983903 has 4 divisors (see below), whose sum is σ = 25229456760. Its totient is φ = 22706511048.

The previous prime is 23967983899. The next prime is 23967983917. The reversal of 23967983903 is 30938976932.

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 23967983903 - 2² = 23967983899 is a prime.

It is a super-2 number, since 2×23967983903² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23967983983) 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, 630736400 + ... + 630736437.

It is an arithmetic number, because the mean of its divisors is an integer number (6307364190).

Almost surely, 2^23967983903 is an apocalyptic number.

23967983903 is a deficient number, since it is larger than the sum of its proper divisors (1261472857).

23967983903 is a wasteful number, since it uses less digits than its factorization.

23967983903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1261472856.

The product of its (nonzero) digits is 13226976, while the sum is 59.

The spelling of 23967983903 in words is "twenty-three billion, nine hundred sixty-seven million, nine hundred eighty-three thousand, nine hundred three".