1263500023 has 2 divisors, whose sum is σ = 1263500024. Its totient is φ = 1263500022.

The previous prime is 1263499997. The next prime is 1263500053. The reversal of 1263500023 is 3200053621.

It is a weak prime.

It is an emirp because it is prime and its reverse (3200053621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1263500023 - 2⁹ = 1263499511 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1263499967 and 1263500003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1263500053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 631750011 + 631750012.

It is an arithmetic number, because the mean of its divisors is an integer number (631750012).

Almost surely, 2^1263500023 is an apocalyptic number.

1263500023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1263500023 is an equidigital number, since it uses as much as digits as its factorization.

1263500023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 1263500023 is about 35545.7454978792. The cubic root of 1263500023 is about 1081.0814564470.

Adding to 1263500023 its reverse (3200053621), we get a palindrome (4463553644).

The spelling of 1263500023 in words is "one billion, two hundred sixty-three million, five hundred thousand, twenty-three".