123231223202 has 8 divisors (see below), whose sum is σ = 184901875200. Its totient is φ = 61597264804.

The previous prime is 123231223189. The next prime is 123231223217. The reversal of 123231223202 is 202322132321.

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

It is a super-2 number, since 2×123231223202² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9165002 + ... + 9178437.

It is an arithmetic number, because the mean of its divisors is an integer number (23112734400).

Almost surely, 2^123231223202 is an apocalyptic number.

123231223202 is a deficient number, since it is larger than the sum of its proper divisors (61670651998).

123231223202 is a wasteful number, since it uses less digits than its factorization.

123231223202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18346800.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 123231223202 its reverse (202322132321), we get a palindrome (325553355523).

The spelling of 123231223202 in words is "one hundred twenty-three billion, two hundred thirty-one million, two hundred twenty-three thousand, two hundred two".