123111330233020 has 48 divisors (see below), whose sum is σ = 258649001015328. Its totient is φ = 49222589448960.

The previous prime is 123111330232993. The next prime is 123111330233029. The reversal of 123111330233020 is 20332033111321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123111330233029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2223282054 + ... + 2223337426.

It is an arithmetic number, because the mean of its divisors is an integer number (5388520854486).

Almost surely, 2^{123111330233020} is an apocalyptic number.

123111330233020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123111330233020 is an abundant number, since it is smaller than the sum of its proper divisors (135537670782308).

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

123111330233020 is a wasteful number, since it uses less digits than its factorization.

123111330233020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102910 (or 102908 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 123111330233020 its reverse (20332033111321), we get a palindrome (143443363344341).

The spelling of 123111330233020 in words is "one hundred twenty-three trillion, one hundred eleven billion, three hundred thirty million, two hundred thirty-three thousand, twenty".