123031100223230 has 32 divisors (see below), whose sum is σ = 227250513191520. Its totient is φ = 47928926638080.

The previous prime is 123031100223193. The next prime is 123031100223257. The reversal of 123031100223230 is 32322001130321.

It is a junction number, because it is equal to n+sod(n) for n = 123031100223196 and 123031100223205.

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, 259794500 + ... + 260267639.

It is an arithmetic number, because the mean of its divisors is an integer number (7101578537235).

Almost surely, 2^{123031100223230} is an apocalyptic number.

123031100223230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123031100223230 is a deficient number, since it is larger than the sum of its proper divisors (104219412968290).

123031100223230 is a wasteful number, since it uses less digits than its factorization.

123031100223230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520062764.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 123031100223230 its reverse (32322001130321), we get a palindrome (155353101353551).

The spelling of 123031100223230 in words is "one hundred twenty-three trillion, thirty-one billion, one hundred million, two hundred twenty-three thousand, two hundred thirty".