163204247023 has 4 divisors (see below), whose sum is σ = 163434437080. Its totient is φ = 162974056968.

The previous prime is 163204246993. The next prime is 163204247051. The reversal of 163204247023 is 320742402361.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-163204247023 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 163204247023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163204257023) 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, 115093965 + ... + 115095382.

It is an arithmetic number, because the mean of its divisors is an integer number (40858609270).

Almost surely, 2^163204247023 is an apocalyptic number.

163204247023 is a deficient number, since it is larger than the sum of its proper divisors (230190057).

163204247023 is an equidigital number, since it uses as much as digits as its factorization.

163204247023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230190056.

The product of its (nonzero) digits is 48384, while the sum is 34.

Adding to 163204247023 its reverse (320742402361), we get a palindrome (483946649384).

The spelling of 163204247023 in words is "one hundred sixty-three billion, two hundred four million, two hundred forty-seven thousand, twenty-three".