147918523 has 2 divisors, whose sum is σ = 147918524. Its totient is φ = 147918522.

The previous prime is 147918503. The next prime is 147918571. The reversal of 147918523 is 325819741.

147918523 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 147918523 - 2²⁵ = 114364091 is a prime.

It is not a weakly prime, because it can be changed into another prime (147918503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73959261 + 73959262.

It is an arithmetic number, because the mean of its divisors is an integer number (73959262).

Almost surely, 2^147918523 is an apocalyptic number.

147918523 is a deficient number, since it is larger than the sum of its proper divisors (1).

147918523 is an equidigital number, since it uses as much as digits as its factorization.

147918523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 40.

The square root of 147918523 is about 12162.1759155177. The cubic root of 147918523 is about 528.8601622226.

It can be divided in two parts, 1479 and 18523, that added together give a palindrome (20002).

The spelling of 147918523 in words is "one hundred forty-seven million, nine hundred eighteen thousand, five hundred twenty-three".