231021313010123 has 8 divisors (see below), whose sum is σ = 243181606187520. Its totient is φ = 218861147503080.

The previous prime is 231021313010119. The next prime is 231021313010143. The reversal of 231021313010123 is 321010313120132.

231021313010123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 231021313010123 - 2² = 231021313010119 is a prime.

It is a super-3 number, since 3×231021313010123³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231021313010143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28192163 + ... + 35451948.

It is an arithmetic number, because the mean of its divisors is an integer number (30397700773440).

Almost surely, 2^{231021313010123} is an apocalyptic number.

231021313010123 is a deficient number, since it is larger than the sum of its proper divisors (12160293177397).

231021313010123 is a wasteful number, since it uses less digits than its factorization.

231021313010123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63835177.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 231021313010123 its reverse (321010313120132), we get a palindrome (552031626130255).

The spelling of 231021313010123 in words is "two hundred thirty-one trillion, twenty-one billion, three hundred thirteen million, ten thousand, one hundred twenty-three".