15423314554545 has 16 divisors (see below), whose sum is σ = 24680054288832. Its totient is φ = 8224850761920.

The previous prime is 15423314554513. The next prime is 15423314554577. The reversal of 15423314554545 is 54545541332451.

15423314554545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (15423314554513) and next prime (15423314554577).

It is not a de Polignac number, because 15423314554545 - 2⁵ = 15423314554513 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57173482 + ... + 57442611.

It is an arithmetic number, because the mean of its divisors is an integer number (1542503393052).

Almost surely, 2^{15423314554545} is an apocalyptic number.

15423314554545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15423314554545 is a deficient number, since it is larger than the sum of its proper divisors (9256739734287).

15423314554545 is a wasteful number, since it uses less digits than its factorization.

15423314554545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114625072.

The product of its digits is 14400000, while the sum is 51.

Adding to 15423314554545 its reverse (54545541332451), we get a palindrome (69968855886996).

The spelling of 15423314554545 in words is "fifteen trillion, four hundred twenty-three billion, three hundred fourteen million, five hundred fifty-four thousand, five hundred forty-five".