202849023 has 16 divisors (see below), whose sum is σ = 292315520. Its totient is φ = 124382304.

The previous prime is 202848871. The next prime is 202849043. The reversal of 202849023 is 320948202.

It is not a de Polignac number, because 202849023 - 2⁹ = 202848511 is a prime.

It is a super-2 number, since 2×202849023² = 82295452264109058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202849043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1848 + ... + 20226.

It is an arithmetic number, because the mean of its divisors is an integer number (18269720).

Almost surely, 2^202849023 is an apocalyptic number.

202849023 is a deficient number, since it is larger than the sum of its proper divisors (89466497).

202849023 is a wasteful number, since it uses less digits than its factorization.

202849023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18678.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 202849023 is about 14242.5076092660. The cubic root of 202849023 is about 587.5673300229.

The spelling of 202849023 in words is "two hundred two million, eight hundred forty-nine thousand, twenty-three".