223231009999 has 2 divisors, whose sum is σ = 223231010000. Its totient is φ = 223231009998.

The previous prime is 223231009961. The next prime is 223231010027. The reversal of 223231009999 is 999900132322.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223231009999 is a prime.

It is a super-3 number, since 3×223231009999³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223231001999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111615504999 + 111615505000.

It is an arithmetic number, because the mean of its divisors is an integer number (111615505000).

Almost surely, 2^223231009999 is an apocalyptic number.

223231009999 is a deficient number, since it is larger than the sum of its proper divisors (1).

223231009999 is an equidigital number, since it uses as much as digits as its factorization.

223231009999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 472392, while the sum is 49.

The spelling of 223231009999 in words is "two hundred twenty-three billion, two hundred thirty-one million, nine thousand, nine hundred ninety-nine".