147918423 has 4 divisors (see below), whose sum is σ = 197224568. Its totient is φ = 98612280.

The previous prime is 147918373. The next prime is 147918427. The reversal of 147918423 is 324819741.

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

It is not a de Polignac number, because 147918423 - 2¹⁸ = 147656279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147918427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24653068 + ... + 24653073.

It is an arithmetic number, because the mean of its divisors is an integer number (49306142).

Almost surely, 2^147918423 is an apocalyptic number.

147918423 is a deficient number, since it is larger than the sum of its proper divisors (49306145).

147918423 is an equidigital number, since it uses as much as digits as its factorization.

147918423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49306144.

The product of its digits is 48384, while the sum is 39.

The square root of 147918423 is about 12162.1718044106. The cubic root of 147918423 is about 528.8600430443.

The spelling of 147918423 in words is "one hundred forty-seven million, nine hundred eighteen thousand, four hundred twenty-three".