123231303223202 has 4 divisors (see below), whose sum is σ = 184846954834806. Its totient is φ = 61615651611600.

The previous prime is 123231303223111. The next prime is 123231303223241. The reversal of 123231303223202 is 202322303132321.

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

It can be written as a sum of positive squares in only one way, i.e., 80187744567121 + 43043558656081 = 8954761^2 + 6560759^2 .

It is a super-2 number, since 2×123231303223202² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30807825805799 + ... + 30807825805802.

Almost surely, 2^{123231303223202} is an apocalyptic number.

123231303223202 is a deficient number, since it is larger than the sum of its proper divisors (61615651611604).

123231303223202 is an equidigital number, since it uses as much as digits as its factorization.

123231303223202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61615651611603.

The product of its (nonzero) digits is 15552, while the sum is 29.

Adding to 123231303223202 its reverse (202322303132321), we get a palindrome (325553606355523).

The spelling of 123231303223202 in words is "one hundred twenty-three trillion, two hundred thirty-one billion, three hundred three million, two hundred twenty-three thousand, two hundred two".