47423519 has 16 divisors (see below), whose sum is σ = 55908384. Its totient is φ = 39657600.

The previous prime is 47423507. The next prime is 47423533. The reversal of 47423519 is 91532474.

47423519 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 47423519 - 2⁴ = 47423503 is a prime.

It is a super-2 number, since 2×47423519² = 4497980308686722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47423419) 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 15 ways as a sum of consecutive naturals, for example, 77057 + ... + 77669.

It is an arithmetic number, because the mean of its divisors is an integer number (3494274).

Almost surely, 2^47423519 is an apocalyptic number.

47423519 is a deficient number, since it is larger than the sum of its proper divisors (8484865).

47423519 is a wasteful number, since it uses less digits than its factorization.

47423519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1178.

The product of its digits is 30240, while the sum is 35.

The square root of 47423519 is about 6886.4736258843. The cubic root of 47423519 is about 361.9633444768.

The spelling of 47423519 in words is "forty-seven million, four hundred twenty-three thousand, five hundred nineteen".