223424431369 has 2 divisors, whose sum is σ = 223424431370. Its totient is φ = 223424431368.

The previous prime is 223424431303. The next prime is 223424431393. The reversal of 223424431369 is 963134424322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115048499344 + 108375932025 = 339188^2 + 329205^2 .

It is a cyclic number.

It is not a de Polignac number, because 223424431369 - 2⁹ = 223424430857 is a prime.

It is a super-2 number, since 2×223424431369² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (223424434369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111712215684 + 111712215685.

It is an arithmetic number, because the mean of its divisors is an integer number (111712215685).

Almost surely, 2^223424431369 is an apocalyptic number.

It is an amenable number.

223424431369 is a deficient number, since it is larger than the sum of its proper divisors (1).

223424431369 is an equidigital number, since it uses as much as digits as its factorization.

223424431369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 746496, while the sum is 43.

The spelling of 223424431369 in words is "two hundred twenty-three billion, four hundred twenty-four million, four hundred thirty-one thousand, three hundred sixty-nine".