47423353 has 4 divisors (see below), whose sum is σ = 50212980. Its totient is φ = 44633728.

The previous prime is 47423339. The next prime is 47423359. The reversal of 47423353 is 35332474.

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

It can be written as a sum of positive squares in 2 ways, for example, as 19035769 + 28387584 = 4363^2 + 5328^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47423353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47423359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1394788 + ... + 1394821.

It is an arithmetic number, because the mean of its divisors is an integer number (12553245).

Almost surely, 2^47423353 is an apocalyptic number.

It is an amenable number.

47423353 is a deficient number, since it is larger than the sum of its proper divisors (2789627).

47423353 is a wasteful number, since it uses less digits than its factorization.

47423353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2789626.

The product of its digits is 30240, while the sum is 31.

The square root of 47423353 is about 6886.4615732610. The cubic root of 47423353 is about 361.9629221408.

The spelling of 47423353 in words is "forty-seven million, four hundred twenty-three thousand, three hundred fifty-three".