231123012113011 has 2 divisors, whose sum is σ = 231123012113012. Its totient is φ = 231123012113010.

The previous prime is 231123012112957. The next prime is 231123012113017. The reversal of 231123012113011 is 110311210321132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231123012113011 - 2³⁹ = 230573256299123 is a prime.

It is a super-2 number, since 2×231123012113011² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (231123012113017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115561506056505 + 115561506056506.

It is an arithmetic number, because the mean of its divisors is an integer number (115561506056506).

Almost surely, 2^{231123012113011} is an apocalyptic number.

231123012113011 is a deficient number, since it is larger than the sum of its proper divisors (1).

231123012113011 is an equidigital number, since it uses as much as digits as its factorization.

231123012113011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 231123012113011 its reverse (110311210321132), we get a palindrome (341434222434143).

The spelling of 231123012113011 in words is "two hundred thirty-one trillion, one hundred twenty-three billion, twelve million, one hundred thirteen thousand, eleven".