231011022032123 has 4 divisors (see below), whose sum is σ = 231055696379208. Its totient is φ = 230966347685040.

The previous prime is 231011022032047. The next prime is 231011022032159. The reversal of 231011022032123 is 321230220110132.

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

It is a cyclic number.

It is not a de Polignac number, because 231011022032123 - 2³⁴ = 230993842162939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231011022032723) 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, 22337165786 + ... + 22337176127.

It is an arithmetic number, because the mean of its divisors is an integer number (57763924094802).

Almost surely, 2^{231011022032123} is an apocalyptic number.

231011022032123 is a deficient number, since it is larger than the sum of its proper divisors (44674347085).

231011022032123 is an equidigital number, since it uses as much as digits as its factorization.

231011022032123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44674347084.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 231011022032123 its reverse (321230220110132), we get a palindrome (552241242142255).

The spelling of 231011022032123 in words is "two hundred thirty-one trillion, eleven billion, twenty-two million, thirty-two thousand, one hundred twenty-three".