202957023 has 4 divisors (see below), whose sum is σ = 270609368. Its totient is φ = 135304680.

The previous prime is 202956989. The next prime is 202957091. The reversal of 202957023 is 320759202.

It is a happy number.

202957023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a de Polignac number, because none of the positive numbers 2^k-202957023 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 (202957423) 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, 33826168 + ... + 33826173.

It is an arithmetic number, because the mean of its divisors is an integer number (67652342).

Almost surely, 2^202957023 is an apocalyptic number.

202957023 is a deficient number, since it is larger than the sum of its proper divisors (67652345).

202957023 is an equidigital number, since it uses as much as digits as its factorization.

202957023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67652344.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 202957023 is about 14246.2985719098. The cubic root of 202957023 is about 587.6715882083.

The spelling of 202957023 in words is "two hundred two million, nine hundred fifty-seven thousand, twenty-three".