19371423 has 8 divisors (see below), whose sum is σ = 25883136. Its totient is φ = 12887000.

The previous prime is 19371421. The next prime is 19371463. The reversal of 19371423 is 32417391.

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 19371423 - 2¹ = 19371421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19371421) 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, 5103 + ... + 8048.

It is an arithmetic number, because the mean of its divisors is an integer number (3235392).

Almost surely, 2^19371423 is an apocalyptic number.

19371423 is a deficient number, since it is larger than the sum of its proper divisors (6511713).

19371423 is a wasteful number, since it uses less digits than its factorization.

19371423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13645.

The product of its digits is 4536, while the sum is 30.

The square root of 19371423 is about 4401.2978767632. The cubic root of 19371423 is about 268.5677381119.

The spelling of 19371423 in words is "nineteen million, three hundred seventy-one thousand, four hundred twenty-three".