1552155133423 has 24 divisors (see below), whose sum is σ = 1676994991616. Its totient is φ = 1434993634800.

The previous prime is 1552155133369. The next prime is 1552155133453. The reversal of 1552155133423 is 3243315512551.

It is not a de Polignac number, because 1552155133423 - 2²¹ = 1552153036271 is a prime.

It is a super-2 number, since 2×1552155133423² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1552155133453) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13241236 + ... + 13357942.

Almost surely, 2^{1552155133423} is an apocalyptic number.

1552155133423 is a deficient number, since it is larger than the sum of its proper divisors (124839858193).

1552155133423 is a wasteful number, since it uses less digits than its factorization.

1552155133423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117595 (or 117572 counting only the distinct ones).

The product of its digits is 270000, while the sum is 40.

The spelling of 1552155133423 in words is "one trillion, five hundred fifty-two billion, one hundred fifty-five million, one hundred thirty-three thousand, four hundred twenty-three".