123544520004052 has 24 divisors (see below), whose sum is σ = 260093726325440. Its totient is φ = 50160932933760.

The previous prime is 123544520004019. The next prime is 123544520004077. The reversal of 123544520004052 is 250400025445321.

It is a congruent number.

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, 116113270149 + ... + 116113271212.

Almost surely, 2^{123544520004052} is an apocalyptic number.

It is an amenable number.

123544520004052 is an abundant number, since it is smaller than the sum of its proper divisors (136549206321388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123544520004052 is a wasteful number, since it uses less digits than its factorization.

123544520004052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232226541391 (or 232226541389 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 37.

Adding to 123544520004052 its reverse (250400025445321), we get a palindrome (373944545449373).

The spelling of 123544520004052 in words is "one hundred twenty-three trillion, five hundred forty-four billion, five hundred twenty million, four thousand, fifty-two".