47323229 has 2 divisors, whose sum is σ = 47323230. Its totient is φ = 47323228.

The previous prime is 47323217. The next prime is 47323231. The reversal of 47323229 is 92232374.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40615129 + 6708100 = 6373^2 + 2590^2 .

It is a cyclic number.

It is not a de Polignac number, because 47323229 - 2²⁴ = 30546013 is a prime.

Together with 47323231, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 47323195 and 47323204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47323429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23661614 + 23661615.

It is an arithmetic number, because the mean of its divisors is an integer number (23661615).

Almost surely, 2^47323229 is an apocalyptic number.

It is an amenable number.

47323229 is a deficient number, since it is larger than the sum of its proper divisors (1).

47323229 is an equidigital number, since it uses as much as digits as its factorization.

47323229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 32.

The square root of 47323229 is about 6879.1881061649. The cubic root of 47323229 is about 361.7080075725.

The spelling of 47323229 in words is "forty-seven million, three hundred twenty-three thousand, two hundred twenty-nine".