17923442 has 16 divisors (see below), whose sum is σ = 27361152. Its totient is φ = 8804640.

The previous prime is 17923439. The next prime is 17923459. The reversal of 17923442 is 24432971.

It is a junction number, because it is equal to n+sod(n) for n = 17923399 and 17923408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34142 + ... + 34662.

It is an arithmetic number, because the mean of its divisors is an integer number (1710072).

Almost surely, 2^17923442 is an apocalyptic number.

17923442 is a deficient number, since it is larger than the sum of its proper divisors (9437710).

17923442 is a wasteful number, since it uses less digits than its factorization.

17923442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793.

The product of its digits is 12096, while the sum is 32.

The square root of 17923442 is about 4233.6086262195. The cubic root of 17923442 is about 261.7020582220.

The spelling of 17923442 in words is "seventeen million, nine hundred twenty-three thousand, four hundred forty-two".