47921023 has 2 divisors, whose sum is σ = 47921024. Its totient is φ = 47921022.

The previous prime is 47920993. The next prime is 47921053. The reversal of 47921023 is 32012974.

It is a balanced prime because it is at equal distance from previous prime (47920993) and next prime (47921053).

It is a cyclic number.

It is not a de Polignac number, because 47921023 - 2⁹ = 47920511 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47920982 and 47921000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47921053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23960511 + 23960512.

It is an arithmetic number, because the mean of its divisors is an integer number (23960512).

Almost surely, 2^47921023 is an apocalyptic number.

47921023 is a deficient number, since it is larger than the sum of its proper divisors (1).

47921023 is an equidigital number, since it uses as much as digits as its factorization.

47921023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 47921023 is about 6922.5012098229. The cubic root of 47921023 is about 363.2246886862.

Adding to 47921023 its reverse (32012974), we get a palindrome (79933997).

The spelling of 47921023 in words is "forty-seven million, nine hundred twenty-one thousand, twenty-three".