202051423 has 8 divisors (see below), whose sum is σ = 235273248. Its totient is φ = 169918944.

The previous prime is 202051411. The next prime is 202051457. The reversal of 202051423 is 324150202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 202051423 - 2⁵ = 202051391 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 202051423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202051123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271936 + ... + 272677.

It is an arithmetic number, because the mean of its divisors is an integer number (29409156).

Almost surely, 2^202051423 is an apocalyptic number.

202051423 is a deficient number, since it is larger than the sum of its proper divisors (33221825).

202051423 is an equidigital number, since it uses as much as digits as its factorization.

202051423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544673.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 202051423 is about 14214.4793432612. The cubic root of 202051423 is about 586.7962158307.

The spelling of 202051423 in words is "two hundred two million, fifty-one thousand, four hundred twenty-three".