9923122131 has 48 divisors (see below), whose sum is σ = 14503297536. Its totient is φ = 6031903488.

The previous prime is 9923122127. The next prime is 9923122147. The reversal of 9923122131 is 1312213299.

It is not a de Polignac number, because 9923122131 - 2² = 9923122127 is a prime.

It is a super-2 number, since 2×9923122131² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9923122092 and 9923122101.

It is not an unprimeable number, because it can be changed into a prime (9923122171) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19727626 + ... + 19728128.

It is an arithmetic number, because the mean of its divisors is an integer number (302152032).

Almost surely, 2^9923122131 is an apocalyptic number.

9923122131 is a deficient number, since it is larger than the sum of its proper divisors (4580175405).

9923122131 is a wasteful number, since it uses less digits than its factorization.

9923122131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932 (or 919 counting only the distinct ones).

The product of its digits is 5832, while the sum is 33.

The square root of 9923122131 is about 99614.8690256630. The cubic root of 9923122131 is about 2148.8995364163.

The spelling of 9923122131 in words is "nine billion, nine hundred twenty-three million, one hundred twenty-two thousand, one hundred thirty-one".