47323387 has 2 divisors, whose sum is σ = 47323388. Its totient is φ = 47323386.

The previous prime is 47323337. The next prime is 47323399. The reversal of 47323387 is 78332374.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47323387 - 2¹⁹ = 46799099 is a prime.

It is not a weakly prime, because it can be changed into another prime (47323327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23661693 + 23661694.

It is an arithmetic number, because the mean of its divisors is an integer number (23661694).

Almost surely, 2^47323387 is an apocalyptic number.

47323387 is a deficient number, since it is larger than the sum of its proper divisors (1).

47323387 is an equidigital number, since it uses as much as digits as its factorization.

47323387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84672, while the sum is 37.

The square root of 47323387 is about 6879.1995900686. The cubic root of 47323387 is about 361.7084101218.

The spelling of 47323387 in words is "forty-seven million, three hundred twenty-three thousand, three hundred eighty-seven".