163400324023 has 4 divisors (see below), whose sum is σ = 163431698080. Its totient is φ = 163368949968.

The previous prime is 163400323997. The next prime is 163400324041. The reversal of 163400324023 is 320423004361.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 320423004361 = 59 ⋅5430898379.

It is a cyclic number.

It is not a de Polignac number, because 163400324023 - 2⁵ = 163400323991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 163400323982 and 163400324000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163400324063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15679215 + ... + 15689632.

It is an arithmetic number, because the mean of its divisors is an integer number (40857924520).

Almost surely, 2^163400324023 is an apocalyptic number.

163400324023 is a deficient number, since it is larger than the sum of its proper divisors (31374057).

163400324023 is an equidigital number, since it uses as much as digits as its factorization.

163400324023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31374056.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 163400324023 its reverse (320423004361), we get a palindrome (483823328384).

The spelling of 163400324023 in words is "one hundred sixty-three billion, four hundred million, three hundred twenty-four thousand, twenty-three".