19492023 has 8 divisors (see below), whose sum is σ = 26011648. Its totient is φ = 12983544.

The previous prime is 19492003. The next prime is 19492027. The reversal of 19492023 is 32029491.

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

It is not a de Polignac number, because 19492023 - 2⁶ = 19491959 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 (19492027) 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, 3036 + ... + 6942.

It is an arithmetic number, because the mean of its divisors is an integer number (3251456).

Almost surely, 2^19492023 is an apocalyptic number.

19492023 is a deficient number, since it is larger than the sum of its proper divisors (6519625).

19492023 is a wasteful number, since it uses less digits than its factorization.

19492023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5573.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 19492023 is about 4414.9771233835. The cubic root of 19492023 is about 269.1239231310.

The spelling of 19492023 in words is "nineteen million, four hundred ninety-two thousand, twenty-three".