42922923 has 8 divisors (see below), whose sum is σ = 58777488. Its totient is φ = 27841824.

The previous prime is 42922921. The next prime is 42922927. The reversal of 42922923 is 32922924.

It is a happy number.

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

It is not a de Polignac number, because 42922923 - 2¹ = 42922921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42922921) 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, 193236 + ... + 193457.

It is an arithmetic number, because the mean of its divisors is an integer number (7347186).

Almost surely, 2^42922923 is an apocalyptic number.

42922923 is a deficient number, since it is larger than the sum of its proper divisors (15854565).

42922923 is a wasteful number, since it uses less digits than its factorization.

42922923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386733.

The product of its digits is 15552, while the sum is 33.

The square root of 42922923 is about 6551.5588221430. The cubic root of 42922923 is about 350.1303541659.

Subtracting from 42922923 its reverse (32922924), we obtain a palindrome (9999999).

The spelling of 42922923 in words is "forty-two million, nine hundred twenty-two thousand, nine hundred twenty-three".