13155427123 has 2 divisors, whose sum is σ = 13155427124. Its totient is φ = 13155427122.

The previous prime is 13155427111. The next prime is 13155427133. The reversal of 13155427123 is 32172455131.

13155427123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13155427123 - 2⁵ = 13155427091 is a prime.

It is a super-3 number, since 3×13155427123³ (a number of 31 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (13155427133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6577713561 + 6577713562.

It is an arithmetic number, because the mean of its divisors is an integer number (6577713562).

Almost surely, 2^13155427123 is an apocalyptic number.

13155427123 is a deficient number, since it is larger than the sum of its proper divisors (1).

13155427123 is an equidigital number, since it uses as much as digits as its factorization.

13155427123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25200, while the sum is 34.

The spelling of 13155427123 in words is "thirteen billion, one hundred fifty-five million, four hundred twenty-seven thousand, one hundred twenty-three".