20230423 has 4 divisors (see below), whose sum is σ = 20240640. Its totient is φ = 20220208.

The previous prime is 20230411. The next prime is 20230433. The reversal of 20230423 is 32403202.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20230423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20230397 and 20230406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20230433) 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, 1078 + ... + 6451.

It is an arithmetic number, because the mean of its divisors is an integer number (5060160).

Almost surely, 2^20230423 is an apocalyptic number.

20230423 is a deficient number, since it is larger than the sum of its proper divisors (10217).

20230423 is an equidigital number, since it uses as much as digits as its factorization.

20230423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10216.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 20230423 is about 4497.8242517911. The cubic root of 20230423 is about 272.4802241351.

Adding to 20230423 its reverse (32403202), we get a palindrome (52633625).

It can be divided in two parts, 202 and 30423, that added together give a square (30625 = 175²).

The spelling of 20230423 in words is "twenty million, two hundred thirty thousand, four hundred twenty-three".