1947314423 has 4 divisors (see below), whose sum is σ = 1964547408. Its totient is φ = 1930081440.

The previous prime is 1947314381. The next prime is 1947314429. The reversal of 1947314423 is 3244137491.

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 1947314423 - 2¹² = 1947310327 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 (1947314429) 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, 8616323 + ... + 8616548.

It is an arithmetic number, because the mean of its divisors is an integer number (491136852).

Almost surely, 2^1947314423 is an apocalyptic number.

1947314423 is a deficient number, since it is larger than the sum of its proper divisors (17232985).

1947314423 is a wasteful number, since it uses less digits than its factorization.

1947314423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17232984.

The product of its digits is 72576, while the sum is 38.

The square root of 1947314423 is about 44128.3856831405. The cubic root of 1947314423 is about 1248.7591789380.

The spelling of 1947314423 in words is "one billion, nine hundred forty-seven million, three hundred fourteen thousand, four hundred twenty-three".