202403023 has 2 divisors, whose sum is σ = 202403024. Its totient is φ = 202403022.

The previous prime is 202402903. The next prime is 202403041. The reversal of 202403023 is 320304202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 202403023 - 2²⁵ = 168848591 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 202402988 and 202403006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202403723) 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, 101201511 + 101201512.

It is an arithmetic number, because the mean of its divisors is an integer number (101201512).

Almost surely, 2^202403023 is an apocalyptic number.

202403023 is a deficient number, since it is larger than the sum of its proper divisors (1).

202403023 is an equidigital number, since it uses as much as digits as its factorization.

202403023 is an odious number, because the sum of its binary digits is odd.

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

The square root of 202403023 is about 14226.8416382555. The cubic root of 202403023 is about 587.1363899431.

Adding to 202403023 its reverse (320304202), we get a palindrome (522707225).

It can be divided in two parts, 202 and 403023, that added together give a square (403225 = 635²).

The spelling of 202403023 in words is "two hundred two million, four hundred three thousand, twenty-three".