162431623 has 2 divisors, whose sum is σ = 162431624. Its totient is φ = 162431622.

The previous prime is 162431611. The next prime is 162431629. The reversal of 162431623 is 326134261.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 162431623 - 2⁹ = 162431111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 162431591 and 162431600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162431629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81215811 + 81215812.

It is an arithmetic number, because the mean of its divisors is an integer number (81215812).

Almost surely, 2^162431623 is an apocalyptic number.

162431623 is a deficient number, since it is larger than the sum of its proper divisors (1).

162431623 is an equidigital number, since it uses as much as digits as its factorization.

162431623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 28.

The square root of 162431623 is about 12744.8665351976. The cubic root of 162431623 is about 545.6198911298.

Adding to 162431623 its reverse (326134261), we get a palindrome (488565884).

The spelling of 162431623 in words is "one hundred sixty-two million, four hundred thirty-one thousand, six hundred twenty-three".