123000232345320 has 128 divisors (see below), whose sum is σ = 405442231488000. Its totient is φ = 29603718401280.

The previous prime is 123000232345303. The next prime is 123000232345349. The reversal of 123000232345320 is 23543232000321.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 335003550 + ... + 335370509.

It is an arithmetic number, because the mean of its divisors is an integer number (3167517433500).

Almost surely, 2^{123000232345320} is an apocalyptic number.

123000232345320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123000232345320 is an abundant number, since it is smaller than the sum of its proper divisors (282441999142680).

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

123000232345320 is a wasteful number, since it uses less digits than its factorization.

123000232345320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670374223 (or 670374219 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 30.

Adding to 123000232345320 its reverse (23543232000321), we get a palindrome (146543464345641).

The spelling of 123000232345320 in words is "one hundred twenty-three trillion, two hundred thirty-two million, three hundred forty-five thousand, three hundred twenty".