47321111 has 2 divisors, whose sum is σ = 47321112. Its totient is φ = 47321110.

The previous prime is 47321041. The next prime is 47321117. The reversal of 47321111 is 11112374.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47321111 - 2¹⁰ = 47320087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47321117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23660555 + 23660556.

It is an arithmetic number, because the mean of its divisors is an integer number (23660556).

Almost surely, 2^47321111 is an apocalyptic number.

47321111 is a deficient number, since it is larger than the sum of its proper divisors (1).

47321111 is an equidigital number, since it uses as much as digits as its factorization.

47321111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 168, while the sum is 20.

The square root of 47321111 is about 6879.0341618573. The cubic root of 47321111 is about 361.7026112868.

Adding to 47321111 its reverse (11112374), we get a palindrome (58433485).

The spelling of 47321111 in words is "forty-seven million, three hundred twenty-one thousand, one hundred eleven".