123230133730 has 64 divisors (see below), whose sum is σ = 242873406720. Its totient is φ = 44645708800.

The previous prime is 123230133727. The next prime is 123230133731. The reversal of 123230133730 is 37331032321.

It is a super-2 number, since 2×123230133730² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123230133731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38616435 + ... + 38619625.

It is an arithmetic number, because the mean of its divisors is an integer number (3794896980).

Almost surely, 2^123230133730 is an apocalyptic number.

123230133730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123230133730 is a deficient number, since it is larger than the sum of its proper divisors (119643272990).

123230133730 is a wasteful number, since it uses less digits than its factorization.

123230133730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4395.

The product of its (nonzero) digits is 6804, while the sum is 28.

The spelling of 123230133730 in words is "one hundred twenty-three billion, two hundred thirty million, one hundred thirty-three thousand, seven hundred thirty".