23163023 has 4 divisors (see below), whose sum is σ = 24944808. Its totient is φ = 21381240.

The previous prime is 23163013. The next prime is 23163031. The reversal of 23163023 is 32036132.

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-23163023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23162986 and 23163004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23163013) 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, 890873 + ... + 890898.

It is an arithmetic number, because the mean of its divisors is an integer number (6236202).

Almost surely, 2^23163023 is an apocalyptic number.

23163023 is a deficient number, since it is larger than the sum of its proper divisors (1781785).

23163023 is a wasteful number, since it uses less digits than its factorization.

23163023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1781784.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 23163023 is about 4812.7978349397. The cubic root of 23163023 is about 285.0570235749.

Adding to 23163023 its reverse (32036132), we get a palindrome (55199155).

The spelling of 23163023 in words is "twenty-three million, one hundred sixty-three thousand, twenty-three".