47938823 has 2 divisors, whose sum is σ = 47938824. Its totient is φ = 47938822.

The previous prime is 47938801. The next prime is 47938841. The reversal of 47938823 is 32883974.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47938823 - 2¹⁸ = 47676679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47938873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23969411 + 23969412.

It is an arithmetic number, because the mean of its divisors is an integer number (23969412).

Almost surely, 2^47938823 is an apocalyptic number.

47938823 is a deficient number, since it is larger than the sum of its proper divisors (1).

47938823 is an equidigital number, since it uses as much as digits as its factorization.

47938823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 44.

The square root of 47938823 is about 6923.7867529265. The cubic root of 47938823 is about 363.2696557223.

The spelling of 47938823 in words is "forty-seven million, nine hundred thirty-eight thousand, eight hundred twenty-three".