189848923 has 16 divisors (see below), whose sum is σ = 218163456. Its totient is φ = 163519840.

The previous prime is 189848921. The next prime is 189848951. The reversal of 189848923 is 329848981.

It is not a de Polignac number, because 189848923 - 2¹ = 189848921 is a prime.

It is a super-2 number, since 2×189848923² = 72085227128519858, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (189848921) 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, 23565 + ... + 30577.

It is an arithmetic number, because the mean of its divisors is an integer number (13635216).

Almost surely, 2^189848923 is an apocalyptic number.

189848923 is a deficient number, since it is larger than the sum of its proper divisors (28314533).

189848923 is a wasteful number, since it uses less digits than its factorization.

189848923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7154.

The product of its digits is 995328, while the sum is 52.

The square root of 189848923 is about 13778.5675235127. The cubic root of 189848923 is about 574.7372944864.

The spelling of 189848923 in words is "one hundred eighty-nine million, eight hundred forty-eight thousand, nine hundred twenty-three".