123405341322304 has 56 divisors (see below), whose sum is σ = 248392724313888. Its totient is φ = 60823266816000.

The previous prime is 123405341322299. The next prime is 123405341322311. The reversal of 123405341322304 is 403223143504321.

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, 38040274 + ... + 41156689.

It is an arithmetic number, because the mean of its divisors is an integer number (4435584362748).

Almost surely, 2^{123405341322304} is an apocalyptic number.

It is an amenable number.

123405341322304 is an abundant number, since it is smaller than the sum of its proper divisors (124987382991584).

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

123405341322304 is an equidigital number, since it uses as much as digits as its factorization.

123405341322304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79197323 (or 79197313 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 37.

Adding to 123405341322304 its reverse (403223143504321), we get a palindrome (526628484826625).

The spelling of 123405341322304 in words is "one hundred twenty-three trillion, four hundred five billion, three hundred forty-one million, three hundred twenty-two thousand, three hundred four".