23091273932 has 12 divisors (see below), whose sum is σ = 40541359320. Its totient is φ = 11508028416.

The previous prime is 23091273929. The next prime is 23091273937. The reversal of 23091273932 is 23937219032.

It is a self number, because there is not a number n which added to its sum of digits gives 23091273932.

It is not an unprimeable number, because it can be changed into a prime (23091273937) 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, 9400757 + ... + 9403212.

It is an arithmetic number, because the mean of its divisors is an integer number (3378446610).

Almost surely, 2^23091273932 is an apocalyptic number.

It is an amenable number.

23091273932 is a deficient number, since it is larger than the sum of its proper divisors (17450085388).

23091273932 is a wasteful number, since it uses less digits than its factorization.

23091273932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18804280 (or 18804278 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 41.

The spelling of 23091273932 in words is "twenty-three billion, ninety-one million, two hundred seventy-three thousand, nine hundred thirty-two".