233123132131 has 2 divisors, whose sum is σ = 233123132132. Its totient is φ = 233123132130.

The previous prime is 233123132087. The next prime is 233123132149. The reversal of 233123132131 is 131231321332.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 233123132131 - 2⁷ = 233123132003 is a prime.

It is a super-2 number, since 2×233123132131² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 233123132096 and 233123132105.

It is not a weakly prime, because it can be changed into another prime (233123162131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116561566065 + 116561566066.

It is an arithmetic number, because the mean of its divisors is an integer number (116561566066).

Almost surely, 2^233123132131 is an apocalyptic number.

233123132131 is a deficient number, since it is larger than the sum of its proper divisors (1).

233123132131 is an equidigital number, since it uses as much as digits as its factorization.

233123132131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1944, while the sum is 25.

Adding to 233123132131 its reverse (131231321332), we get a palindrome (364354453463).

It can be divided in two parts, 2 and 33123132131, that added together give a palindrome (33123132133).

The spelling of 233123132131 in words is "two hundred thirty-three billion, one hundred twenty-three million, one hundred thirty-two thousand, one hundred thirty-one".