223128235963 has 2 divisors, whose sum is σ = 223128235964. Its totient is φ = 223128235962.

The previous prime is 223128235951. The next prime is 223128236027. The reversal of 223128235963 is 369532821322.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223128235963 is a prime.

It is a super-3 number, since 3×223128235963³ (a number of 35 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (223128235903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111564117981 + 111564117982.

It is an arithmetic number, because the mean of its divisors is an integer number (111564117982).

Almost surely, 2^223128235963 is an apocalyptic number.

223128235963 is a deficient number, since it is larger than the sum of its proper divisors (1).

223128235963 is an equidigital number, since it uses as much as digits as its factorization.

223128235963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 933120, while the sum is 46.

The spelling of 223128235963 in words is "two hundred twenty-three billion, one hundred twenty-eight million, two hundred thirty-five thousand, nine hundred sixty-three".