1263387584423 has 2 divisors, whose sum is σ = 1263387584424. Its totient is φ = 1263387584422.

The previous prime is 1263387584399. The next prime is 1263387584483. The reversal of 1263387584423 is 3244857833621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1263387584423 - 2²⁶ = 1263320475559 is a prime.

It is a super-2 number, since 2×1263387584423² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1263387584483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 631693792211 + 631693792212.

It is an arithmetic number, because the mean of its divisors is an integer number (631693792212).

Almost surely, 2^{1263387584423} is an apocalyptic number.

1263387584423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1263387584423 is an equidigital number, since it uses as much as digits as its factorization.

1263387584423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23224320, while the sum is 56.

The spelling of 1263387584423 in words is "one trillion, two hundred sixty-three billion, three hundred eighty-seven million, five hundred eighty-four thousand, four hundred twenty-three".