223015963 has 2 divisors, whose sum is σ = 223015964. Its totient is φ = 223015962.

The previous prime is 223015957. The next prime is 223015967. The reversal of 223015963 is 369510322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 223015963 - 2²¹ = 220918811 is a prime.

It is a super-2 number, since 2×223015963² = 99472239505634738, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (223015967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111507981 + 111507982.

It is an arithmetic number, because the mean of its divisors is an integer number (111507982).

Almost surely, 2^223015963 is an apocalyptic number.

223015963 is a deficient number, since it is larger than the sum of its proper divisors (1).

223015963 is an equidigital number, since it uses as much as digits as its factorization.

223015963 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 223015963 is about 14933.7189942760. The cubic root of 223015963 is about 606.4271687107.

The spelling of 223015963 in words is "two hundred twenty-three million, fifteen thousand, nine hundred sixty-three".