23033122131 has 4 divisors (see below), whose sum is σ = 30710829512. Its totient is φ = 15355414752.

The previous prime is 23033122121. The next prime is 23033122157. The reversal of 23033122131 is 13122133032.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 23033122131 - 2⁷ = 23033122003 is a prime.

It is a super-2 number, since 2×23033122131² (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 = 23033122098 and 23033122107.

It is not an unprimeable number, because it can be changed into a prime (23033122111) 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, 3838853686 + ... + 3838853691.

It is an arithmetic number, because the mean of its divisors is an integer number (7677707378).

Almost surely, 2^23033122131 is an apocalyptic number.

23033122131 is a deficient number, since it is larger than the sum of its proper divisors (7677707381).

23033122131 is an equidigital number, since it uses as much as digits as its factorization.

23033122131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7677707380.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 23033122131 its reverse (13122133032), we get a palindrome (36155255163).

The spelling of 23033122131 in words is "twenty-three billion, thirty-three million, one hundred twenty-two thousand, one hundred thirty-one".