1423147147 has 4 divisors (see below), whose sum is σ = 1423237120. Its totient is φ = 1423057176.

The previous prime is 1423147123. The next prime is 1423147151. The reversal of 1423147147 is 7417413241.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1423147147 - 2¹⁵ = 1423114379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1423147157) 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, 14268 + ... + 55225.

It is an arithmetic number, because the mean of its divisors is an integer number (355809280).

Almost surely, 2^1423147147 is an apocalyptic number.

1423147147 is a deficient number, since it is larger than the sum of its proper divisors (89973).

1423147147 is an equidigital number, since it uses as much as digits as its factorization.

1423147147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89972.

The product of its digits is 18816, while the sum is 34.

The square root of 1423147147 is about 37724.6225560972. The cubic root of 1423147147 is about 1124.8206191689.

The spelling of 1423147147 in words is "one billion, four hundred twenty-three million, one hundred forty-seven thousand, one hundred forty-seven".