12923761231 has 8 divisors (see below), whose sum is σ = 13402760400. Its totient is φ = 12446985600.

The previous prime is 12923761177. The next prime is 12923761237. The reversal of 12923761231 is 13216732921.

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

It is not a de Polignac number, because 12923761231 - 2¹⁹ = 12923236943 is a prime.

It is a super-2 number, since 2×12923761231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12923761237) 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, 544041 + ... + 567298.

It is an arithmetic number, because the mean of its divisors is an integer number (1675345050).

Almost surely, 2^12923761231 is an apocalyptic number.

12923761231 is a deficient number, since it is larger than the sum of its proper divisors (478999169).

12923761231 is a wasteful number, since it uses less digits than its factorization.

12923761231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111769.

The product of its digits is 27216, while the sum is 37.

The spelling of 12923761231 in words is "twelve billion, nine hundred twenty-three million, seven hundred sixty-one thousand, two hundred thirty-one".