123013330320 has 40 divisors (see below), whose sum is σ = 381341324736. Its totient is φ = 32803554688.

The previous prime is 123013330291. The next prime is 123013330381. The reversal of 123013330320 is 23033310321.

123013330320 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256277532 + ... + 256278011.

Almost surely, 2^123013330320 is an apocalyptic number.

123013330320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123013330320 is an abundant number, since it is smaller than the sum of its proper divisors (258327994416).

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

123013330320 is a wasteful number, since it uses less digits than its factorization.

123013330320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512555559 (or 512555553 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 123013330320 its reverse (23033310321), we get a palindrome (146046640641).

The spelling of 123013330320 in words is "one hundred twenty-three billion, thirteen million, three hundred thirty thousand, three hundred twenty".