123400420454101 has 8 divisors (see below), whose sum is σ = 141029244804224. Its totient is φ = 105771644318160.

The previous prime is 123400420454057. The next prime is 123400420454159. The reversal of 123400420454101 is 101454024004321.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 123400420454101 - 2¹³ = 123400420445909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123400420455101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6391770 + ... + 16960411.

It is an arithmetic number, because the mean of its divisors is an integer number (17628655600528).

Almost surely, 2^{123400420454101} is an apocalyptic number.

It is an amenable number.

123400420454101 is a deficient number, since it is larger than the sum of its proper divisors (17628824350123).

123400420454101 is an equidigital number, since it uses as much as digits as its factorization.

123400420454101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24107091.

The product of its (nonzero) digits is 15360, while the sum is 31.

Adding to 123400420454101 its reverse (101454024004321), we get a palindrome (224854444458422).

The spelling of 123400420454101 in words is "one hundred twenty-three trillion, four hundred billion, four hundred twenty million, four hundred fifty-four thousand, one hundred one".