47646423 has 24 divisors (see below), whose sum is σ = 75428496. Its totient is φ = 28742400.

The previous prime is 47646421. The next prime is 47646439. The reversal of 47646423 is 32464674.

47646423 is a `hidden beast` number, since 4 + 7 + 6 + 4 + 642 + 3 = 666.

It is not a de Polignac number, because 47646423 - 2¹ = 47646421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47646421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22861 + ... + 24857.

It is an arithmetic number, because the mean of its divisors is an integer number (3142854).

Almost surely, 2^47646423 is an apocalyptic number.

47646423 is a deficient number, since it is larger than the sum of its proper divisors (27782073).

47646423 is a wasteful number, since it uses less digits than its factorization.

47646423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2255 (or 2252 counting only the distinct ones).

The product of its digits is 96768, while the sum is 36.

The square root of 47646423 is about 6902.6388432251. The cubic root of 47646423 is about 362.5295684165.

The spelling of 47646423 in words is "forty-seven million, six hundred forty-six thousand, four hundred twenty-three".