123200344554002 has 4 divisors (see below), whose sum is σ = 184800516831006. Its totient is φ = 61600172277000.

The previous prime is 123200344553999. The next prime is 123200344554019. The reversal of 123200344554002 is 200455443002321.

It is a happy number.

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., 70518862797601 + 52681481756401 = 8397551^2 + 7258201^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30800086138499 + ... + 30800086138502.

Almost surely, 2^{123200344554002} is an apocalyptic number.

123200344554002 is a deficient number, since it is larger than the sum of its proper divisors (61600172277004).

123200344554002 is an equidigital number, since it uses as much as digits as its factorization.

123200344554002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61600172277003.

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 123200344554002 its reverse (200455443002321), we get a palindrome (323655787556323).

The spelling of 123200344554002 in words is "one hundred twenty-three trillion, two hundred billion, three hundred forty-four million, five hundred fifty-four thousand, two".