123031140554422 has 16 divisors (see below), whose sum is σ = 195405017086512. Its totient is φ = 57896231799040.

The previous prime is 123031140554419. The next prime is 123031140554453. The reversal of 123031140554422 is 224455041130321.

It is a super-3 number, since 3×123031140554422³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 21655423 + ... + 26739850.

It is an arithmetic number, because the mean of its divisors is an integer number (12212813567907).

Almost surely, 2^{123031140554422} is an apocalyptic number.

123031140554422 is a deficient number, since it is larger than the sum of its proper divisors (72373876532090).

123031140554422 is a wasteful number, since it uses less digits than its factorization.

123031140554422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48470063.

The product of its (nonzero) digits is 115200, while the sum is 37.

Adding to 123031140554422 its reverse (224455041130321), we get a palindrome (347486181684743).

The spelling of 123031140554422 in words is "one hundred twenty-three trillion, thirty-one billion, one hundred forty million, five hundred fifty-four thousand, four hundred twenty-two".