123110305542401 has 4 divisors (see below), whose sum is σ = 123153486992304. Its totient is φ = 123067124092500.

The previous prime is 123110305542347. The next prime is 123110305542409. The reversal of 123110305542401 is 104245503011321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 123110305542401 - 2¹⁸ = 123110305280257 is a prime.

It is a super-2 number, since 2×123110305542401² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123110305542409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21590720675 + ... + 21590726376.

It is an arithmetic number, because the mean of its divisors is an integer number (30788371748076).

Almost surely, 2^{123110305542401} is an apocalyptic number.

It is an amenable number.

123110305542401 is a deficient number, since it is larger than the sum of its proper divisors (43181449903).

123110305542401 is an equidigital number, since it uses as much as digits as its factorization.

123110305542401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43181449902.

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 123110305542401 its reverse (104245503011321), we get a palindrome (227355808553722).

The spelling of 123110305542401 in words is "one hundred twenty-three trillion, one hundred ten billion, three hundred five million, five hundred forty-two thousand, four hundred one".