19223983 has 2 divisors, whose sum is σ = 19223984. Its totient is φ = 19223982.

The previous prime is 19223947. The next prime is 19223989. The reversal of 19223983 is 38932291.

It is a strong prime.

It is an emirp because it is prime and its reverse (38932291) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19223983 is a prime.

It is a super-3 number, since 3×19223983³ (a number of 23 digits) contains 333 as substring.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19223989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9611991 + 9611992.

It is an arithmetic number, because the mean of its divisors is an integer number (9611992).

Almost surely, 2^19223983 is an apocalyptic number.

19223983 is a deficient number, since it is larger than the sum of its proper divisors (1).

19223983 is an equidigital number, since it uses as much as digits as its factorization.

19223983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 37.

The square root of 19223983 is about 4384.5162789069. The cubic root of 19223983 is about 267.8846267706.

The spelling of 19223983 in words is "nineteen million, two hundred twenty-three thousand, nine hundred eighty-three".