202163423 has 16 divisors (see below), whose sum is σ = 254655744. Its totient is φ = 155900160.

The previous prime is 202163419. The next prime is 202163443. The reversal of 202163423 is 324361202.

202163423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 202163423 - 2² = 202163419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202163413) 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, 6065 + ... + 21002.

It is an arithmetic number, because the mean of its divisors is an integer number (15915984).

Almost surely, 2^202163423 is an apocalyptic number.

202163423 is a deficient number, since it is larger than the sum of its proper divisors (52492321).

202163423 is a wasteful number, since it uses less digits than its factorization.

202163423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27182.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 202163423 is about 14218.4184422882. The cubic root of 202163423 is about 586.9046189879.

The spelling of 202163423 in words is "two hundred two million, one hundred sixty-three thousand, four hundred twenty-three".