1268946223 has 2 divisors, whose sum is σ = 1268946224. Its totient is φ = 1268946222.

The previous prime is 1268946169. The next prime is 1268946229. The reversal of 1268946223 is 3226498621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1268946223 - 2²⁵ = 1235391791 is a prime.

It is a super-2 number, since 2×1268946223² = 3220449033731931458, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1268946223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1268946229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 634473111 + 634473112.

It is an arithmetic number, because the mean of its divisors is an integer number (634473112).

Almost surely, 2^1268946223 is an apocalyptic number.

1268946223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1268946223 is an equidigital number, since it uses as much as digits as its factorization.

1268946223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 248832, while the sum is 43.

The square root of 1268946223 is about 35622.2714463859. The cubic root of 1268946223 is about 1082.6325305364.

The spelling of 1268946223 in words is "one billion, two hundred sixty-eight million, nine hundred forty-six thousand, two hundred twenty-three".