47423019 has 16 divisors (see below), whose sum is σ = 74027520. Its totient is φ = 26437440.

The previous prime is 47423003. The next prime is 47423029. The reversal of 47423019 is 91032474.

It is a happy number.

It is not a de Polignac number, because 47423019 - 2⁴ = 47423003 is a prime.

It is a super-2 number, since 2×47423019² = 4497885462148722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (47423029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26679 + ... + 28400.

It is an arithmetic number, because the mean of its divisors is an integer number (4626720).

Almost surely, 2^47423019 is an apocalyptic number.

47423019 is a deficient number, since it is larger than the sum of its proper divisors (26604501).

47423019 is a wasteful number, since it uses less digits than its factorization.

47423019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55130.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 47423019 is about 6886.4373227381. The cubic root of 47423019 is about 361.9620723773.

The spelling of 47423019 in words is "forty-seven million, four hundred twenty-three thousand, nineteen".