223261373 has 2 divisors, whose sum is σ = 223261374. Its totient is φ = 223261372.

The previous prime is 223261361. The next prime is 223261393. The reversal of 223261373 is 373162322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 173106649 + 50154724 = 13157^2 + 7082^2 .

It is a cyclic number.

It is not a de Polignac number, because 223261373 - 2⁶ = 223261309 is a prime.

It is a super-3 number, since 3×223261373³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223261303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111630686 + 111630687.

It is an arithmetic number, because the mean of its divisors is an integer number (111630687).

Almost surely, 2^223261373 is an apocalyptic number.

It is an amenable number.

223261373 is a deficient number, since it is larger than the sum of its proper divisors (1).

223261373 is an equidigital number, since it uses as much as digits as its factorization.

223261373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072, while the sum is 29.

The square root of 223261373 is about 14941.9333755709. The cubic root of 223261373 is about 606.6495275854.

The spelling of 223261373 in words is "two hundred twenty-three million, two hundred sixty-one thousand, three hundred seventy-three".