162427123431 has 6 divisors (see below), whose sum is σ = 234616956080. Its totient is φ = 108284748948.

The previous prime is 162427123429. The next prime is 162427123433. The reversal of 162427123431 is 134321724261.

162427123431 is a `hidden beast` number, since 1 + 6 + 242 + 71 + 2 + 343 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (162427123429) and next prime (162427123433).

It is not a de Polignac number, because 162427123431 - 2¹ = 162427123429 is a prime.

It is a super-2 number, since 2×162427123431² (a number of 23 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 (162427123433) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9023729071 + ... + 9023729088.

Almost surely, 2^162427123431 is an apocalyptic number.

162427123431 is a deficient number, since it is larger than the sum of its proper divisors (72189832649).

162427123431 is a wasteful number, since it uses less digits than its factorization.

162427123431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18047458165 (or 18047458162 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

Adding to 162427123431 its reverse (134321724261), we get a palindrome (296748847692).

The spelling of 162427123431 in words is "one hundred sixty-two billion, four hundred twenty-seven million, one hundred twenty-three thousand, four hundred thirty-one".