19030023 has 12 divisors (see below), whose sum is σ = 27530568. Its totient is φ = 12666960.

The previous prime is 19030019. The next prime is 19030031. The reversal of 19030023 is 32003091.

It is not a de Polignac number, because 19030023 - 2² = 19030019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 19029978 and 19030005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19030043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6688 + ... + 9098.

It is an arithmetic number, because the mean of its divisors is an integer number (2294214).

Almost surely, 2^19030023 is an apocalyptic number.

19030023 is a deficient number, since it is larger than the sum of its proper divisors (8500545).

19030023 is a wasteful number, since it uses less digits than its factorization.

19030023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3294 (or 3291 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 19030023 is about 4362.3414584372. The cubic root of 19030023 is about 266.9806407712.

The spelling of 19030023 in words is "nineteen million, thirty thousand, twenty-three".