23131597773 has 8 divisors (see below), whose sum is σ = 31424057568. Its totient is φ = 15130101584.

The previous prime is 23131597771. The next prime is 23131597807. The reversal of 23131597773 is 37779513132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23131597773 - 2¹ = 23131597771 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23131597771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72740715 + ... + 72741032.

It is an arithmetic number, because the mean of its divisors is an integer number (3928007196).

Almost surely, 2^23131597773 is an apocalyptic number.

It is an amenable number.

23131597773 is a deficient number, since it is larger than the sum of its proper divisors (8292459795).

23131597773 is a wasteful number, since it uses less digits than its factorization.

23131597773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145481803.

The product of its digits is 833490, while the sum is 48.

The spelling of 23131597773 in words is "twenty-three billion, one hundred thirty-one million, five hundred ninety-seven thousand, seven hundred seventy-three".