47854823 has 2 divisors, whose sum is σ = 47854824. Its totient is φ = 47854822.

The previous prime is 47854799. The next prime is 47854861. The reversal of 47854823 is 32845874.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47854823 - 2⁶ = 47854759 is a prime.

It is a super-2 number, since 2×47854823² = 4580168168722658, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47854123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23927411 + 23927412.

It is an arithmetic number, because the mean of its divisors is an integer number (23927412).

Almost surely, 2^47854823 is an apocalyptic number.

47854823 is a deficient number, since it is larger than the sum of its proper divisors (1).

47854823 is an equidigital number, since it uses as much as digits as its factorization.

47854823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 215040, while the sum is 41.

The square root of 47854823 is about 6917.7180486053. The cubic root of 47854823 is about 363.0573539491.

The spelling of 47854823 in words is "forty-seven million, eight hundred fifty-four thousand, eight hundred twenty-three".