23144007994 has 16 divisors (see below), whose sum is σ = 35805701376. Its totient is φ = 11213650000.

The previous prime is 23144007967. The next prime is 23144008003. The reversal of 23144007994 is 49970044132.

It is a self number, because there is not a number n which added to its sum of digits gives 23144007994.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1209382 + ... + 1228369.

It is an arithmetic number, because the mean of its divisors is an integer number (2237856336).

Almost surely, 2^23144007994 is an apocalyptic number.

23144007994 is a deficient number, since it is larger than the sum of its proper divisors (12661693382).

23144007994 is a wasteful number, since it uses less digits than its factorization.

23144007994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2437901.

The product of its (nonzero) digits is 217728, while the sum is 43.

The spelling of 23144007994 in words is "twenty-three billion, one hundred forty-four million, seven thousand, nine hundred ninety-four".