202230023 has 4 divisors (see below), whose sum is σ = 202277088. Its totient is φ = 202182960.

The previous prime is 202230001. The next prime is 202230047. The reversal of 202230023 is 320032202.

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

It is a cyclic number.

It is not a de Polignac number, because 202230023 - 2²⁰ = 201181447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202230073) 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, 16358 + ... + 25923.

It is an arithmetic number, because the mean of its divisors is an integer number (50569272).

Almost surely, 2^202230023 is an apocalyptic number.

202230023 is a deficient number, since it is larger than the sum of its proper divisors (47065).

202230023 is an equidigital number, since it uses as much as digits as its factorization.

202230023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47064.

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 202230023 is about 14220.7602820665. The cubic root of 202230023 is about 586.9690611695.

Adding to 202230023 its reverse (320032202), we get a palindrome (522262225).

The spelling of 202230023 in words is "two hundred two million, two hundred thirty thousand, twenty-three".