123101131203030 has 32 divisors (see below), whose sum is σ = 296989535397888. Its totient is φ = 32655099375200.

The previous prime is 123101131203023. The next prime is 123101131203073. The reversal of 123101131203030 is 30302131101321.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 123101131202988 and 123101131203006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10741803276 + ... + 10741814735.

It is an arithmetic number, because the mean of its divisors is an integer number (9280922981184).

Almost surely, 2^{123101131203030} is an apocalyptic number.

123101131203030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123101131203030 is an abundant number, since it is smaller than the sum of its proper divisors (173888404194858).

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

123101131203030 is a wasteful number, since it uses less digits than its factorization.

123101131203030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21483618212.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 123101131203030 its reverse (30302131101321), we get a palindrome (153403262304351).

The spelling of 123101131203030 in words is "one hundred twenty-three trillion, one hundred one billion, one hundred thirty-one million, two hundred three thousand, thirty".