123031322543010 has 64 divisors (see below), whose sum is σ = 337463491064832. Its totient is φ = 28120932716736.

The previous prime is 123031322542993. The next prime is 123031322543033. The reversal of 123031322543010 is 10345223130321.

It is a super-2 number, since 2×123031322543010² (a number of 29 digits) contains 22 as substring.

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6273937 + ... + 16894523.

It is an arithmetic number, because the mean of its divisors is an integer number (5272867047888).

Almost surely, 2^{123031322543010} is an apocalyptic number.

123031322543010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123031322543010 is an abundant number, since it is smaller than the sum of its proper divisors (214432168521822).

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

123031322543010 is a wasteful number, since it uses less digits than its factorization.

123031322543010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10675767.

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

Adding to 123031322543010 its reverse (10345223130321), we get a palindrome (133376545673331).

The spelling of 123031322543010 in words is "one hundred twenty-three trillion, thirty-one billion, three hundred twenty-two million, five hundred forty-three thousand, ten".