1268627223 has 4 divisors (see below), whose sum is σ = 1691502968. Its totient is φ = 845751480.

The previous prime is 1268627197. The next prime is 1268627231. The reversal of 1268627223 is 3227268621.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1268627223 - 2¹³ = 1268619031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1268627233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211437868 + ... + 211437873.

It is an arithmetic number, because the mean of its divisors is an integer number (422875742).

Almost surely, 2^1268627223 is an apocalyptic number.

1268627223 is a deficient number, since it is larger than the sum of its proper divisors (422875745).

1268627223 is an equidigital number, since it uses as much as digits as its factorization.

1268627223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422875744.

The product of its digits is 96768, while the sum is 39.

The square root of 1268627223 is about 35617.7936290276. The cubic root of 1268627223 is about 1082.5418020471.

The spelling of 1268627223 in words is "one billion, two hundred sixty-eight million, six hundred twenty-seven thousand, two hundred twenty-three".