123032130331544 has 32 divisors (see below), whose sum is σ = 266199893656320. Its totient is φ = 52216132981536.

The previous prime is 123032130331529. The next prime is 123032130331547. The reversal of 123032130331544 is 445133031230321.

It is a super-2 number, since 2×123032130331544² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123032130331547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10665054074 + ... + 10665065609.

It is an arithmetic number, because the mean of its divisors is an integer number (8318746676760).

Almost surely, 2^{123032130331544} is an apocalyptic number.

123032130331544 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

123032130331544 is an abundant number, since it is smaller than the sum of its proper divisors (143167763324776).

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

123032130331544 is a wasteful number, since it uses less digits than its factorization.

123032130331544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21330119799 (or 21330119795 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 35.

Adding to 123032130331544 its reverse (445133031230321), we get a palindrome (568165161561865).

The spelling of 123032130331544 in words is "one hundred twenty-three trillion, thirty-two billion, one hundred thirty million, three hundred thirty-one thousand, five hundred forty-four".