147428423 has 2 divisors, whose sum is σ = 147428424. Its totient is φ = 147428422.

The previous prime is 147428417. The next prime is 147428453. The reversal of 147428423 is 324824741.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-147428423 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147428453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73714211 + 73714212.

It is an arithmetic number, because the mean of its divisors is an integer number (73714212).

Almost surely, 2^147428423 is an apocalyptic number.

147428423 is a deficient number, since it is larger than the sum of its proper divisors (1).

147428423 is an equidigital number, since it uses as much as digits as its factorization.

147428423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43008, while the sum is 35.

The square root of 147428423 is about 12142.0106654541. The cubic root of 147428423 is about 528.2754232907.

The spelling of 147428423 in words is "one hundred forty-seven million, four hundred twenty-eight thousand, four hundred twenty-three".