147723427 has 4 divisors (see below), whose sum is σ = 148074736. Its totient is φ = 147372120.

The previous prime is 147723403. The next prime is 147723439. The reversal of 147723427 is 724327741.

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 147723427 - 2⁷ = 147723299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (147723487) 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, 175023 + ... + 175864.

It is an arithmetic number, because the mean of its divisors is an integer number (37018684).

Almost surely, 2^147723427 is an apocalyptic number.

147723427 is a deficient number, since it is larger than the sum of its proper divisors (351309).

147723427 is an equidigital number, since it uses as much as digits as its factorization.

147723427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351308.

The product of its digits is 65856, while the sum is 37.

The square root of 147723427 is about 12154.1526648302. The cubic root of 147723427 is about 528.6275479077.

The spelling of 147723427 in words is "one hundred forty-seven million, seven hundred twenty-three thousand, four hundred twenty-seven".