23011232131 has 8 divisors (see below), whose sum is σ = 23432178528. Its totient is φ = 22592976000.

The previous prime is 23011232117. The next prime is 23011232143. The reversal of 23011232131 is 13123211032.

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 23011232131 - 2⁹ = 23011231619 is a prime.

It is a super-2 number, since 2×23011232131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23011232099 and 23011232108.

It is not an unprimeable number, because it can be changed into a prime (23011232161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 655300 + ... + 689521.

It is an arithmetic number, because the mean of its divisors is an integer number (2929022316).

Almost surely, 2^23011232131 is an apocalyptic number.

23011232131 is a deficient number, since it is larger than the sum of its proper divisors (420946397).

23011232131 is a wasteful number, since it uses less digits than its factorization.

23011232131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1345133.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 23011232131 its reverse (13123211032), we get a palindrome (36134443163).

The spelling of 23011232131 in words is "twenty-three billion, eleven million, two hundred thirty-two thousand, one hundred thirty-one".