11231767723 has 16 divisors (see below), whose sum is σ = 13012859520. Its totient is φ = 9580982400.

The previous prime is 11231767661. The next prime is 11231767727. The reversal of 11231767723 is 32776713211.

It is a de Polignac number, because none of the positive numbers 2^k-11231767723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11231767727) 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, 28833 + ... + 152626.

It is an arithmetic number, because the mean of its divisors is an integer number (813303720).

Almost surely, 2^11231767723 is an apocalyptic number.

11231767723 is a deficient number, since it is larger than the sum of its proper divisors (1781091797).

11231767723 is a wasteful number, since it uses less digits than its factorization.

11231767723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181818.

The product of its digits is 74088, while the sum is 40.

The spelling of 11231767723 in words is "eleven billion, two hundred thirty-one million, seven hundred sixty-seven thousand, seven hundred twenty-three".