23155444463 has 2 divisors, whose sum is σ = 23155444464. Its totient is φ = 23155444462.

The previous prime is 23155444453. The next prime is 23155444471. The reversal of 23155444463 is 36444455132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23155444463 - 2⁴ = 23155444447 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23155444463.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23155444453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11577722231 + 11577722232.

It is an arithmetic number, because the mean of its divisors is an integer number (11577722232).

Almost surely, 2^23155444463 is an apocalyptic number.

23155444463 is a deficient number, since it is larger than the sum of its proper divisors (1).

23155444463 is an equidigital number, since it uses as much as digits as its factorization.

23155444463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 691200, while the sum is 41.

Adding to 23155444463 its reverse (36444455132), we get a palindrome (59599899595).

The spelling of 23155444463 in words is "twenty-three billion, one hundred fifty-five million, four hundred forty-four thousand, four hundred sixty-three".