544412236123 has 4 divisors (see below), whose sum is σ = 622185412720. Its totient is φ = 466639059528.

The previous prime is 544412236091. The next prime is 544412236157. The reversal of 544412236123 is 321632214445.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 544412236123 - 2⁵ = 544412236091 is a prime.

It is a super-2 number, since 2×544412236123² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (544412230123) 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, 38886588288 + ... + 38886588301.

It is an arithmetic number, because the mean of its divisors is an integer number (155546353180).

Almost surely, 2^544412236123 is an apocalyptic number.

544412236123 is a deficient number, since it is larger than the sum of its proper divisors (77773176597).

544412236123 is an equidigital number, since it uses as much as digits as its factorization.

544412236123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77773176596.

The product of its digits is 138240, while the sum is 37.

The spelling of 544412236123 in words is "five hundred forty-four billion, four hundred twelve million, two hundred thirty-six thousand, one hundred twenty-three".