47923319 has 2 divisors, whose sum is σ = 47923320. Its totient is φ = 47923318.

The previous prime is 47923313. The next prime is 47923327. The reversal of 47923319 is 91332974.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47923319 - 2⁸ = 47923063 is a prime.

It is a super-2 number, since 2×47923319² = 4593289007951522, which contains 22 as substring.

It is a Chen prime.

It is equal to p_2883863 and since 47923319 and 2883863 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47923313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23961659 + 23961660.

It is an arithmetic number, because the mean of its divisors is an integer number (23961660).

Almost surely, 2^47923319 is an apocalyptic number.

47923319 is a deficient number, since it is larger than the sum of its proper divisors (1).

47923319 is an equidigital number, since it uses as much as digits as its factorization.

47923319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40824, while the sum is 38.

The square root of 47923319 is about 6922.6670438495. The cubic root of 47923319 is about 363.2304895541.

The spelling of 47923319 in words is "forty-seven million, nine hundred twenty-three thousand, three hundred nineteen".