19496923 has 8 divisors (see below), whose sum is σ = 20177280. Its totient is φ = 18819840.

The previous prime is 19496921. The next prime is 19496929. The reversal of 19496923 is 32969491.

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 19496923 - 2¹ = 19496921 is a prime.

It is a zygodrome in base 8.

It is a self number, because there is not a number n which added to its sum of digits gives 19496923.

It is not an unprimeable number, because it can be changed into a prime (19496921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20523 + ... + 21451.

It is an arithmetic number, because the mean of its divisors is an integer number (2522160).

Almost surely, 2^19496923 is an apocalyptic number.

19496923 is a deficient number, since it is larger than the sum of its proper divisors (680357).

19496923 is an equidigital number, since it uses as much as digits as its factorization.

19496923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1637.

The product of its digits is 104976, while the sum is 43.

The square root of 19496923 is about 4415.5320177754. The cubic root of 19496923 is about 269.1464724706.

The spelling of 19496923 in words is "nineteen million, four hundred ninety-six thousand, nine hundred twenty-three".