123340305541230 has 128 divisors (see below), whose sum is σ = 329655241843200. Its totient is φ = 32815984419072.

The previous prime is 123340305541199. The next prime is 123340305541231. The reversal of 123340305541230 is 32145503043321.

123340305541230 is a `hidden beast` number, since 1 + 2 + 3 + 3 + 40 + 30 + 554 + 1 + 2 + 30 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123340305541231) 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, 1737665881 + ... + 1737736859.

It is an arithmetic number, because the mean of its divisors is an integer number (2575431576900).

Almost surely, 2^{123340305541230} is an apocalyptic number.

123340305541230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 123340305541230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164827620921600).

123340305541230 is an abundant number, since it is smaller than the sum of its proper divisors (206314936301970).

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

123340305541230 is a wasteful number, since it uses less digits than its factorization.

123340305541230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85535 (or 85529 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

Adding to 123340305541230 its reverse (32145503043321), we get a palindrome (155485808584551).

The spelling of 123340305541230 in words is "one hundred twenty-three trillion, three hundred forty billion, three hundred five million, five hundred forty-one thousand, two hundred thirty".