147478523 has 2 divisors, whose sum is σ = 147478524. Its totient is φ = 147478522.

The previous prime is 147478511. The next prime is 147478531. The reversal of 147478523 is 325874741.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 147478523 - 2⁸ = 147478267 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (147471523) 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, 73739261 + 73739262.

It is an arithmetic number, because the mean of its divisors is an integer number (73739262).

Almost surely, 2^147478523 is an apocalyptic number.

147478523 is a deficient number, since it is larger than the sum of its proper divisors (1).

147478523 is an equidigital number, since it uses as much as digits as its factorization.

147478523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 188160, while the sum is 41.

The square root of 147478523 is about 12144.0735752053. The cubic root of 147478523 is about 528.3352570748.

It can be divided in two parts, 1474 and 78523, that added together give a palindrome (79997).

The spelling of 147478523 in words is "one hundred forty-seven million, four hundred seventy-eight thousand, five hundred twenty-three".