202934423 has 4 divisors (see below), whose sum is σ = 214871760. Its totient is φ = 190997088.

The previous prime is 202934399. The next prime is 202934441. The reversal of 202934423 is 324439202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 324439202 = 2 ⋅162219601.

It is a cyclic number.

It is not a de Polignac number, because 202934423 - 2¹⁸ = 202672279 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 (202934723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5968643 + ... + 5968676.

It is an arithmetic number, because the mean of its divisors is an integer number (53717940).

Almost surely, 2^202934423 is an apocalyptic number.

202934423 is a deficient number, since it is larger than the sum of its proper divisors (11937337).

202934423 is a wasteful number, since it uses less digits than its factorization.

202934423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11937336.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 202934423 is about 14245.5053613412. The cubic root of 202934423 is about 587.6497742782.

The spelling of 202934423 in words is "two hundred two million, nine hundred thirty-four thousand, four hundred twenty-three".