19796423 has 8 divisors (see below), whose sum is σ = 21150720. Its totient is φ = 18473400.

The previous prime is 19796419. The next prime is 19796429. The reversal of 19796423 is 32469791.

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

It is a cyclic number.

It is not a de Polignac number, because 19796423 - 2² = 19796419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19796429) 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, 6503 + ... + 9048.

It is an arithmetic number, because the mean of its divisors is an integer number (2643840).

Almost surely, 2^19796423 is an apocalyptic number.

19796423 is a deficient number, since it is larger than the sum of its proper divisors (1354297).

19796423 is a wasteful number, since it uses less digits than its factorization.

19796423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15637.

The product of its digits is 81648, while the sum is 41.

The square root of 19796423 is about 4449.3171386180. The cubic root of 19796423 is about 270.5176306753.

The spelling of 19796423 in words is "nineteen million, seven hundred ninety-six thousand, four hundred twenty-three".