123231342002 has 8 divisors (see below), whose sum is σ = 184855596012. Its totient is φ = 61612810000.

The previous prime is 123231342001. The next prime is 123231342019. The reversal of 123231342002 is 200243132321.

It can be written as a sum of positive squares in 2 ways, for example, as 123222762961 + 8579041 = 351031^2 + 2929^2 .

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

It is a super-2 number, since 2×123231342002² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123231342001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1376249 + ... + 1463052.

Almost surely, 2^123231342002 is an apocalyptic number.

123231342002 is a deficient number, since it is larger than the sum of its proper divisors (61624254010).

123231342002 is a wasteful number, since it uses less digits than its factorization.

123231342002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2861004.

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

Adding to 123231342002 its reverse (200243132321), we get a palindrome (323474474323).

The spelling of 123231342002 in words is "one hundred twenty-three billion, two hundred thirty-one million, three hundred forty-two thousand, two".