123213033202331 has 4 divisors (see below), whose sum is σ = 127461758485200. Its totient is φ = 118964307919464.

The previous prime is 123213033202249. The next prime is 123213033202361. The reversal of 123213033202331 is 133202330312321.

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 123213033202331 - 2²⁶ = 123212966093467 is a prime.

It is a super-2 number, since 2×123213033202331² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 4248725282839 = 123213033202331 / (1 + 2 + 3 + 2 + 1 + 3 + 0 + 3 + 3 + 2 + 0 + 2 + 3 + 3 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123213033202294 and 123213033202303.

It is not an unprimeable number, because it can be changed into a prime (123213033202361) 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, 2124362641391 + ... + 2124362641448.

It is an arithmetic number, because the mean of its divisors is an integer number (31865439621300).

Almost surely, 2^{123213033202331} is an apocalyptic number.

123213033202331 is a deficient number, since it is larger than the sum of its proper divisors (4248725282869).

123213033202331 is an equidigital number, since it uses as much as digits as its factorization.

123213033202331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4248725282868.

The product of its (nonzero) digits is 11664, while the sum is 29.

Adding to 123213033202331 its reverse (133202330312321), we get a palindrome (256415363514652).

The spelling of 123213033202331 in words is "one hundred twenty-three trillion, two hundred thirteen billion, thirty-three million, two hundred two thousand, three hundred thirty-one".