231000134401123 has 2 divisors, whose sum is σ = 231000134401124. Its totient is φ = 231000134401122.

The previous prime is 231000134401079. The next prime is 231000134401133. The reversal of 231000134401123 is 321104431000132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231000134401123 - 2⁴¹ = 228801111145571 is a prime.

It is a super-2 number, since 2×231000134401123² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (231000134401133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115500067200561 + 115500067200562.

It is an arithmetic number, because the mean of its divisors is an integer number (115500067200562).

Almost surely, 2^{231000134401123} is an apocalyptic number.

231000134401123 is a deficient number, since it is larger than the sum of its proper divisors (1).

231000134401123 is an equidigital number, since it uses as much as digits as its factorization.

231000134401123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 231000134401123 its reverse (321104431000132), we get a palindrome (552104565401255).

The spelling of 231000134401123 in words is "two hundred thirty-one trillion, one hundred thirty-four million, four hundred one thousand, one hundred twenty-three".