123300440033430 has 128 divisors (see below), whose sum is σ = 345131126885376. Its totient is φ = 27859587379200.

The previous prime is 123300440033401. The next prime is 123300440033437. The reversal of 123300440033430 is 34330044003321.

It is a super-3 number, since 3×123300440033430³ (a number of 43 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123300440033437) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 106114831 + ... + 107270490.

It is an arithmetic number, because the mean of its divisors is an integer number (2696336928792).

Almost surely, 2^{123300440033430} is an apocalyptic number.

123300440033430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123300440033430 is an abundant number, since it is smaller than the sum of its proper divisors (221830686851946).

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

123300440033430 is a wasteful number, since it uses less digits than its factorization.

123300440033430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213385462.

The product of its (nonzero) digits is 31104, while the sum is 30.

Adding to 123300440033430 its reverse (34330044003321), we get a palindrome (157630484036751).

The spelling of 123300440033430 in words is "one hundred twenty-three trillion, three hundred billion, four hundred forty million, thirty-three thousand, four hundred thirty".