47213233 has 16 divisors (see below), whose sum is σ = 52902720. Its totient is φ = 41872896.

The previous prime is 47213209. The next prime is 47213237. The reversal of 47213233 is 33231274.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47213233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47213198 and 47213207.

It is not an unprimeable number, because it can be changed into a prime (47213237) 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, 100866 + ... + 101332.

It is an arithmetic number, because the mean of its divisors is an integer number (3306420).

Almost surely, 2^47213233 is an apocalyptic number.

It is an amenable number.

47213233 is a deficient number, since it is larger than the sum of its proper divisors (5689487).

47213233 is a wasteful number, since it uses less digits than its factorization.

47213233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816.

The product of its digits is 3024, while the sum is 25.

The square root of 47213233 is about 6871.1886162439. The cubic root of 47213233 is about 361.4275441817.

The spelling of 47213233 in words is "forty-seven million, two hundred thirteen thousand, two hundred thirty-three".