123544053143002 has 16 divisors (see below), whose sum is σ = 196217410574952. Its totient is φ = 58138263877120.

The previous prime is 123544053142969. The next prime is 123544053143041. The reversal of 123544053143002 is 200341350445321.

It can be written as a sum of positive squares in 4 ways, for example, as 121443904385281 + 2100148757721 = 11020159^2 + 1449189^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15495552 + ... + 22072612.

Almost surely, 2^{123544053143002} is an apocalyptic number.

123544053143002 is a deficient number, since it is larger than the sum of its proper divisors (72673357431950).

123544053143002 is a wasteful number, since it uses less digits than its factorization.

123544053143002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7129553.

The product of its (nonzero) digits is 172800, while the sum is 37.

The spelling of 123544053143002 in words is "one hundred twenty-three trillion, five hundred forty-four billion, fifty-three million, one hundred forty-three thousand, two".