123413504405 has 8 divisors (see below), whose sum is σ = 148359256992. Its totient is φ = 98555435728.

The previous prime is 123413504369. The next prime is 123413504429. The reversal of 123413504405 is 504405314321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123413504405 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

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, 21917879 + ... + 21923508.

It is an arithmetic number, because the mean of its divisors is an integer number (18544907124).

Almost surely, 2^123413504405 is an apocalyptic number.

It is an amenable number.

123413504405 is a deficient number, since it is larger than the sum of its proper divisors (24945752587).

123413504405 is an equidigital number, since it uses as much as digits as its factorization.

123413504405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43841955.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 123413504405 its reverse (504405314321), we get a palindrome (627818818726).

The spelling of 123413504405 in words is "one hundred twenty-three billion, four hundred thirteen million, five hundred four thousand, four hundred five".