123534023052 has 48 divisors (see below), whose sum is σ = 314497435392. Its totient is φ = 37428934080.

The previous prime is 123534022993. The next prime is 123534023057. The reversal of 123534023052 is 250320435321.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (123534023057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 858993 + ... + 992439.

It is an arithmetic number, because the mean of its divisors is an integer number (6552029904).

Almost surely, 2^123534023052 is an apocalyptic number.

123534023052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123534023052 is an abundant number, since it is smaller than the sum of its proper divisors (190963412340).

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

123534023052 is a wasteful number, since it uses less digits than its factorization.

123534023052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140478 (or 140476 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 123534023052 its reverse (250320435321), we get a palindrome (373854458373).

The spelling of 123534023052 in words is "one hundred twenty-three billion, five hundred thirty-four million, twenty-three thousand, fifty-two".