19049023 has 8 divisors (see below), whose sum is σ = 21796992. Its totient is φ = 16307736.

The previous prime is 19049011. The next prime is 19049029. The reversal of 19049023 is 32094091.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19049023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 19048982 and 19049000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19049029) by changing a digit.

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, 9036 + ... + 10942.

It is an arithmetic number, because the mean of its divisors is an integer number (2724624).

Almost surely, 2^19049023 is an apocalyptic number.

19049023 is a deficient number, since it is larger than the sum of its proper divisors (2747969).

19049023 is a wasteful number, since it uses less digits than its factorization.

19049023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3341.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 19049023 is about 4364.5186447076. The cubic root of 19049023 is about 267.0694643615.

The spelling of 19049023 in words is "nineteen million, forty-nine thousand, twenty-three".