11973366923 has 24 divisors (see below), whose sum is σ = 14176857600. Its totient is φ = 10080555408.

The previous prime is 11973366919. The next prime is 11973366929. The reversal of 11973366923 is 32966337911.

It is not a de Polignac number, because 11973366923 - 2² = 11973366919 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11973366929) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1173518 + ... + 1183676.

It is an arithmetic number, because the mean of its divisors is an integer number (590702400).

Almost surely, 2^11973366923 is an apocalyptic number.

11973366923 is a deficient number, since it is larger than the sum of its proper divisors (2203490677).

11973366923 is a wasteful number, since it uses less digits than its factorization.

11973366923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10599 (or 10592 counting only the distinct ones).

The product of its digits is 1102248, while the sum is 50.

The spelling of 11973366923 in words is "eleven billion, nine hundred seventy-three million, three hundred sixty-six thousand, nine hundred twenty-three".