19823342 has 64 divisors (see below), whose sum is σ = 39398400. Its totient is φ = 7408800.

The previous prime is 19823341. The next prime is 19823347. The reversal of 19823342 is 24332891.

It is a happy number.

Its product of digits (10368) is a multiple of the sum of its prime divisors (128).

It is a junction number, because it is equal to n+sod(n) for n = 19823299 and 19823308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19823341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 279167 + ... + 279237.

It is an arithmetic number, because the mean of its divisors is an integer number (615600).

Almost surely, 2^19823342 is an apocalyptic number.

19823342 is a deficient number, since it is larger than the sum of its proper divisors (19575058).

19823342 is a wasteful number, since it uses less digits than its factorization.

19823342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142 (or 128 counting only the distinct ones).

The product of its digits is 10368, while the sum is 32.

The square root of 19823342 is about 4452.3411818952. The cubic root of 19823342 is about 270.6401909630.

The spelling of 19823342 in words is "nineteen million, eight hundred twenty-three thousand, three hundred forty-two".