162553128423 has 32 divisors (see below), whose sum is σ = 250899855360. Its totient is φ = 91688163840.

The previous prime is 162553128421. The next prime is 162553128457. The reversal of 162553128423 is 324821355261.

It is not a de Polignac number, because 162553128423 - 2¹ = 162553128421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162553128421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7981233 + ... + 8001573.

It is an arithmetic number, because the mean of its divisors is an integer number (7840620480).

Almost surely, 2^162553128423 is an apocalyptic number.

162553128423 is a deficient number, since it is larger than the sum of its proper divisors (88346726937).

162553128423 is a wasteful number, since it uses less digits than its factorization.

162553128423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25247.

The product of its digits is 345600, while the sum is 42.

The spelling of 162553128423 in words is "one hundred sixty-two billion, five hundred fifty-three million, one hundred twenty-eight thousand, four hundred twenty-three".