11453423563 has 2 divisors, whose sum is σ = 11453423564. Its totient is φ = 11453423562.

The previous prime is 11453423503. The next prime is 11453423567. The reversal of 11453423563 is 36532435411.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11453423563 is a prime.

It is a super-2 number, since 2×11453423563² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11453423567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5726711781 + 5726711782.

It is an arithmetic number, because the mean of its divisors is an integer number (5726711782).

Almost surely, 2^11453423563 is an apocalyptic number.

11453423563 is a deficient number, since it is larger than the sum of its proper divisors (1).

11453423563 is an equidigital number, since it uses as much as digits as its factorization.

11453423563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129600, while the sum is 37.

Adding to 11453423563 its reverse (36532435411), we get a palindrome (47985858974).

The spelling of 11453423563 in words is "eleven billion, four hundred fifty-three million, four hundred twenty-three thousand, five hundred sixty-three".