11423550587 has 2 divisors, whose sum is σ = 11423550588. Its totient is φ = 11423550586.

The previous prime is 11423550577. The next prime is 11423550617. The reversal of 11423550587 is 78505532411.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11423550587 is a prime.

It is not a weakly prime, because it can be changed into another prime (11423550527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5711775293 + 5711775294.

It is an arithmetic number, because the mean of its divisors is an integer number (5711775294).

Almost surely, 2^11423550587 is an apocalyptic number.

11423550587 is a deficient number, since it is larger than the sum of its proper divisors (1).

11423550587 is an equidigital number, since it uses as much as digits as its factorization.

11423550587 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168000, while the sum is 41.

The spelling of 11423550587 in words is "eleven billion, four hundred twenty-three million, five hundred fifty thousand, five hundred eighty-seven".