10223021279 has 2 divisors, whose sum is σ = 10223021280. Its totient is φ = 10223021278.

The previous prime is 10223021267. The next prime is 10223021299. The reversal of 10223021279 is 97212032201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10223021279 - 2⁸ = 10223021023 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10223021219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5111510639 + 5111510640.

It is an arithmetic number, because the mean of its divisors is an integer number (5111510640).

Almost surely, 2^10223021279 is an apocalyptic number.

10223021279 is a deficient number, since it is larger than the sum of its proper divisors (1).

10223021279 is an equidigital number, since it uses as much as digits as its factorization.

10223021279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 29.

The spelling of 10223021279 in words is "ten billion, two hundred twenty-three million, twenty-one thousand, two hundred seventy-nine".