440123213267 has 2 divisors, whose sum is σ = 440123213268. Its totient is φ = 440123213266.

The previous prime is 440123213221. The next prime is 440123213269. The reversal of 440123213267 is 762312321044.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-440123213267 is a prime.

Together with 440123213269, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (440123213269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220061606633 + 220061606634.

It is an arithmetic number, because the mean of its divisors is an integer number (220061606634).

Almost surely, 2^440123213267 is an apocalyptic number.

440123213267 is a deficient number, since it is larger than the sum of its proper divisors (1).

440123213267 is an equidigital number, since it uses as much as digits as its factorization.

440123213267 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 35.

The spelling of 440123213267 in words is "four hundred forty billion, one hundred twenty-three million, two hundred thirteen thousand, two hundred sixty-seven".