2923189238 has 4 divisors (see below), whose sum is σ = 4384783860. Its totient is φ = 1461594618.

The previous prime is 2923189231. The next prime is 2923189267. The reversal of 2923189238 is 8329813292.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 2923189192 and 2923189201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2923189231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 730797308 + ... + 730797311.

It is an arithmetic number, because the mean of its divisors is an integer number (1096195965).

Almost surely, 2^2923189238 is an apocalyptic number.

2923189238 is a deficient number, since it is larger than the sum of its proper divisors (1461594622).

2923189238 is a wasteful number, since it uses less digits than its factorization.

2923189238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1461594621.

The product of its digits is 373248, while the sum is 47.

The square root of 2923189238 is about 54066.5260396856. The cubic root of 2923189238 is about 1429.8340782599.

The spelling of 2923189238 in words is "two billion, nine hundred twenty-three million, one hundred eighty-nine thousand, two hundred thirty-eight".