123523203404000 has 48 divisors (see below), whose sum is σ = 303496510773456. Its totient is φ = 49409281360000.

The previous prime is 123523203403997. The next prime is 123523203404017. The reversal of 123523203404000 is 404302325321.

It is a happy number.

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, 15440396426 + ... + 15440404425.

It is an arithmetic number, because the mean of its divisors is an integer number (6322843974447).

Almost surely, 2^{123523203404000} is an apocalyptic number.

123523203404000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123523203404000 is an abundant number, since it is smaller than the sum of its proper divisors (179973307369456).

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

123523203404000 is an equidigital number, since it uses as much as digits as its factorization.

123523203404000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30880800876 (or 30880800858 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 123523203404000 its reverse (404302325321), we get a palindrome (123927505729321).

The spelling of 123523203404000 in words is "one hundred twenty-three trillion, five hundred twenty-three billion, two hundred three million, four hundred four thousand".