47023321 has 4 divisors (see below), whose sum is σ = 47128500. Its totient is φ = 46918144.

The previous prime is 47023307. The next prime is 47023387. The reversal of 47023321 is 12332074.

47023321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12332074 = 2 ⋅6166037.

It can be written as a sum of positive squares in 2 ways, for example, as 39942400 + 7080921 = 6320^2 + 2661^2 .

It is a cyclic number.

It is not a de Polignac number, because 47023321 - 2⁵ = 47023289 is a prime.

It is a super-2 number, since 2×47023321² = 4422385435738082, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47023292 and 47023301.

It is not an unprimeable number, because it can be changed into a prime (47023391) 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 3 ways as a sum of consecutive naturals, for example, 51916 + ... + 52813.

It is an arithmetic number, because the mean of its divisors is an integer number (11782125).

Almost surely, 2^47023321 is an apocalyptic number.

It is an amenable number.

47023321 is a deficient number, since it is larger than the sum of its proper divisors (105179).

47023321 is a wasteful number, since it uses less digits than its factorization.

47023321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105178.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 47023321 is about 6857.3552481988. The cubic root of 47023321 is about 360.9422871038.

Adding to 47023321 its reverse (12332074), we get a palindrome (59355395).

The spelling of 47023321 in words is "forty-seven million, twenty-three thousand, three hundred twenty-one".