47828923 has 2 divisors, whose sum is σ = 47828924. Its totient is φ = 47828922.

The previous prime is 47828903. The next prime is 47828953. The reversal of 47828923 is 32982874.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47828923 - 2¹⁷ = 47697851 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47828923.

It is not a weakly prime, because it can be changed into another prime (47828903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23914461 + 23914462.

It is an arithmetic number, because the mean of its divisors is an integer number (23914462).

Almost surely, 2^47828923 is an apocalyptic number.

47828923 is a deficient number, since it is larger than the sum of its proper divisors (1).

47828923 is an equidigital number, since it uses as much as digits as its factorization.

47828923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 193536, while the sum is 43.

The square root of 47828923 is about 6915.8457906463. The cubic root of 47828923 is about 362.9918441302.

The spelling of 47828923 in words is "forty-seven million, eight hundred twenty-eight thousand, nine hundred twenty-three".