47964923 has 4 divisors (see below), whose sum is σ = 47983080. Its totient is φ = 47946768.

The previous prime is 47964919. The next prime is 47964977. The reversal of 47964923 is 32946974.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 47964923 - 2² = 47964919 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47964023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4265 + ... + 10682.

It is an arithmetic number, because the mean of its divisors is an integer number (11995770).

Almost surely, 2^47964923 is an apocalyptic number.

47964923 is a deficient number, since it is larger than the sum of its proper divisors (18157).

47964923 is a wasteful number, since it uses less digits than its factorization.

47964923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18156.

The product of its digits is 326592, while the sum is 44.

The square root of 47964923 is about 6925.6713032023. The cubic root of 47964923 is about 363.3355704115.

The spelling of 47964923 in words is "forty-seven million, nine hundred sixty-four thousand, nine hundred twenty-three".