47849923 has 16 divisors (see below), whose sum is σ = 55209600. Its totient is φ = 41014080.

The previous prime is 47849891. The next prime is 47849929. The reversal of 47849923 is 32994874.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 47849923 - 2⁵ = 47849891 is a prime.

It is a super-2 number, since 2×47849923² = 4579230262211858, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47849929) 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, 58743 + ... + 59551.

It is an arithmetic number, because the mean of its divisors is an integer number (3450600).

Almost surely, 2^47849923 is an apocalyptic number.

47849923 is a deficient number, since it is larger than the sum of its proper divisors (7359677).

47849923 is a wasteful number, since it uses less digits than its factorization.

47849923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122.

The product of its digits is 435456, while the sum is 46.

The square root of 47849923 is about 6917.3638765067. The cubic root of 47849923 is about 363.0449620128.

The spelling of 47849923 in words is "forty-seven million, eight hundred forty-nine thousand, nine hundred twenty-three".