1401223344263 has 2 divisors, whose sum is σ = 1401223344264. Its totient is φ = 1401223344262.

The previous prime is 1401223344253. The next prime is 1401223344307. The reversal of 1401223344263 is 3624433221041.

It is a weak prime.

It is an emirp because it is prime and its reverse (3624433221041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1401223344263 - 2¹⁰ = 1401223343239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1401223344223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700611672131 + 700611672132.

It is an arithmetic number, because the mean of its divisors is an integer number (700611672132).

Almost surely, 2^{1401223344263} is an apocalyptic number.

1401223344263 is a deficient number, since it is larger than the sum of its proper divisors (1).

1401223344263 is an equidigital number, since it uses as much as digits as its factorization.

1401223344263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 35.

The spelling of 1401223344263 in words is "one trillion, four hundred one billion, two hundred twenty-three million, three hundred forty-four thousand, two hundred sixty-three".