123133212321230 has 32 divisors (see below), whose sum is σ = 231279163315200. Its totient is φ = 47111253358752.

The previous prime is 123133212321211. The next prime is 123133212321257. The reversal of 123133212321230 is 32123212331321.

It is a junction number, because it is equal to n+sod(n) for n = 123133212321193 and 123133212321202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15492731 + ... + 22052009.

It is an arithmetic number, because the mean of its divisors is an integer number (7227473853600).

Almost surely, 2^{123133212321230} is an apocalyptic number.

123133212321230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123133212321230 is a deficient number, since it is larger than the sum of its proper divisors (108145950993970).

123133212321230 is a wasteful number, since it uses less digits than its factorization.

123133212321230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6640928.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 123133212321230 its reverse (32123212331321), we get a palindrome (155256424652551).

The spelling of 123133212321230 in words is "one hundred twenty-three trillion, one hundred thirty-three billion, two hundred twelve million, three hundred twenty-one thousand, two hundred thirty".