23232212131 has 2 divisors, whose sum is σ = 23232212132. Its totient is φ = 23232212130.

The previous prime is 23232212111. The next prime is 23232212137. The reversal of 23232212131 is 13121223232.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23232212131 is a prime.

It is a super-2 number, since 2×23232212131² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23232212137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11616106065 + 11616106066.

It is an arithmetic number, because the mean of its divisors is an integer number (11616106066).

Almost surely, 2^23232212131 is an apocalyptic number.

23232212131 is a deficient number, since it is larger than the sum of its proper divisors (1).

23232212131 is an equidigital number, since it uses as much as digits as its factorization.

23232212131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 22.

Adding to 23232212131 its reverse (13121223232), we get a palindrome (36353435363).

The spelling of 23232212131 in words is "twenty-three billion, two hundred thirty-two million, two hundred twelve thousand, one hundred thirty-one".