188422023 has 16 divisors (see below), whose sum is σ = 256452480. Its totient is φ = 123025056.

The previous prime is 188422009. The next prime is 188422027. The reversal of 188422023 is 320224881.

It is a de Polignac number, because none of the positive numbers 2^k-188422023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (188422027) 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, 33361 + ... + 38597.

It is an arithmetic number, because the mean of its divisors is an integer number (16028280).

Almost surely, 2^188422023 is an apocalyptic number.

188422023 is a deficient number, since it is larger than the sum of its proper divisors (68030457).

188422023 is a wasteful number, since it uses less digits than its factorization.

188422023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5486.

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 188422023 is about 13726.6901691559. The cubic root of 188422023 is about 573.2937679641.

The spelling of 188422023 in words is "one hundred eighty-eight million, four hundred twenty-two thousand, twenty-three".