47204123 has 2 divisors, whose sum is σ = 47204124. Its totient is φ = 47204122.

The previous prime is 47204111. The next prime is 47204191. The reversal of 47204123 is 32140274.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47204123 - 2⁴ = 47204107 is a prime.

It is equal to p_2843240 and since 47204123 and 2843240 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (47204023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23602061 + 23602062.

It is an arithmetic number, because the mean of its divisors is an integer number (23602062).

Almost surely, 2^47204123 is an apocalyptic number.

47204123 is a deficient number, since it is larger than the sum of its proper divisors (1).

47204123 is an equidigital number, since it uses as much as digits as its factorization.

47204123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 47204123 is about 6870.5256713006. The cubic root of 47204123 is about 361.4042963441.

Adding to 47204123 its reverse (32140274), we get a palindrome (79344397).

The spelling of 47204123 in words is "forty-seven million, two hundred four thousand, one hundred twenty-three".