223951097 has 2 divisors, whose sum is σ = 223951098. Its totient is φ = 223951096.

The previous prime is 223951093. The next prime is 223951103. The reversal of 223951097 is 790159322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 177315856 + 46635241 = 13316^2 + 6829^2 .

It is a cyclic number.

It is not a de Polignac number, because 223951097 - 2² = 223951093 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 223951097.

It is not a weakly prime, because it can be changed into another prime (223951093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111975548 + 111975549.

It is an arithmetic number, because the mean of its divisors is an integer number (111975549).

Almost surely, 2^223951097 is an apocalyptic number.

It is an amenable number.

223951097 is a deficient number, since it is larger than the sum of its proper divisors (1).

223951097 is an equidigital number, since it uses as much as digits as its factorization.

223951097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 223951097 is about 14964.9957233539. The cubic root of 223951097 is about 607.2735952328.

The spelling of 223951097 in words is "two hundred twenty-three million, nine hundred fifty-one thousand, ninety-seven".