223429697 has 2 divisors, whose sum is σ = 223429698. Its totient is φ = 223429696.

The previous prime is 223429693. The next prime is 223429709. The reversal of 223429697 is 796924322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 222725776 + 703921 = 14924^2 + 839^2 .

It is a cyclic number.

It is not a de Polignac number, because 223429697 - 2² = 223429693 is a prime.

It is a super-3 number, since 3×223429697³ (a number of 26 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (223429693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111714848 + 111714849.

It is an arithmetic number, because the mean of its divisors is an integer number (111714849).

Almost surely, 2^223429697 is an apocalyptic number.

It is an amenable number.

223429697 is a deficient number, since it is larger than the sum of its proper divisors (1).

223429697 is an equidigital number, since it uses as much as digits as its factorization.

223429697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 326592, while the sum is 44.

The square root of 223429697 is about 14947.5649187418. The cubic root of 223429697 is about 606.8019468809.

The spelling of 223429697 in words is "two hundred twenty-three million, four hundred twenty-nine thousand, six hundred ninety-seven".