47776423 has 2 divisors, whose sum is σ = 47776424. Its totient is φ = 47776422.

The previous prime is 47776411. The next prime is 47776429. The reversal of 47776423 is 32467774.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47776423 is a prime.

It is a super-4 number, since 4×47776423⁴ (a number of 32 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47776429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23888211 + 23888212.

It is an arithmetic number, because the mean of its divisors is an integer number (23888212).

Almost surely, 2^47776423 is an apocalyptic number.

47776423 is a deficient number, since it is larger than the sum of its proper divisors (1).

47776423 is an equidigital number, since it uses as much as digits as its factorization.

47776423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 197568, while the sum is 40.

The square root of 47776423 is about 6912.0491173023. The cubic root of 47776423 is about 362.8589813656.

The spelling of 47776423 in words is "forty-seven million, seven hundred seventy-six thousand, four hundred twenty-three".