11840072923 has 16 divisors (see below), whose sum is σ = 13705122816. Its totient is φ = 10018615680.

The previous prime is 11840072891. The next prime is 11840072987. The reversal of 11840072923 is 32927004811.

It is a cyclic number.

It is not a de Polignac number, because 11840072923 - 2⁵ = 11840072891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11840073923) 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, 819603 + ... + 833923.

It is an arithmetic number, because the mean of its divisors is an integer number (856570176).

Almost surely, 2^11840072923 is an apocalyptic number.

11840072923 is a deficient number, since it is larger than the sum of its proper divisors (1865049893).

11840072923 is a wasteful number, since it uses less digits than its factorization.

11840072923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15834.

The product of its (nonzero) digits is 24192, while the sum is 37.

The spelling of 11840072923 in words is "eleven billion, eight hundred forty million, seventy-two thousand, nine hundred twenty-three".