1415422523 has 4 divisors (see below), whose sum is σ = 1416327360. Its totient is φ = 1414517688.

The previous prime is 1415422513. The next prime is 1415422543. The reversal of 1415422523 is 3252245141.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1415422523 - 2²⁴ = 1398645307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1415422513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 450068 + ... + 453201.

It is an arithmetic number, because the mean of its divisors is an integer number (354081840).

Almost surely, 2^1415422523 is an apocalyptic number.

1415422523 is a deficient number, since it is larger than the sum of its proper divisors (904837).

1415422523 is an equidigital number, since it uses as much as digits as its factorization.

1415422523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 904836.

The product of its digits is 9600, while the sum is 29.

The square root of 1415422523 is about 37622.1015229080. The cubic root of 1415422523 is about 1122.7818081048.

Adding to 1415422523 its reverse (3252245141), we get a palindrome (4667667664).

The spelling of 1415422523 in words is "one billion, four hundred fifteen million, four hundred twenty-two thousand, five hundred twenty-three".