123031132254030 has 256 divisors, whose sum is σ = 396731508719616. Its totient is φ = 23581787281920.

The previous prime is 123031132253989. The next prime is 123031132254031. The reversal of 123031132254030 is 30452231130321.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123031132254031) by changing a digit.

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 127 ways as a sum of consecutive naturals, for example, 41293147 + ... + 44172233.

It is an arithmetic number, because the mean of its divisors is an integer number (1549732455936).

Almost surely, 2^{123031132254030} is an apocalyptic number.

123031132254030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 123031132254030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198365754359808).

123031132254030 is an abundant number, since it is smaller than the sum of its proper divisors (273700376465586).

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

123031132254030 is a wasteful number, since it uses less digits than its factorization.

123031132254030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2880551.

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 123031132254030 its reverse (30452231130321), we get a palindrome (153483363384351).

The spelling of 123031132254030 in words is "one hundred twenty-three trillion, thirty-one billion, one hundred thirty-two million, two hundred fifty-four thousand, thirty".