47769923 has 4 divisors (see below), whose sum is σ = 49061040. Its totient is φ = 46478808.

The previous prime is 47769913. The next prime is 47769941. The reversal of 47769923 is 32996774.

47769923 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32996774 = 2 ⋅16498387.

It is not a de Polignac number, because 47769923 - 2¹² = 47765827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47769913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 645503 + ... + 645576.

It is an arithmetic number, because the mean of its divisors is an integer number (12265260).

Almost surely, 2^47769923 is an apocalyptic number.

47769923 is a deficient number, since it is larger than the sum of its proper divisors (1291117).

47769923 is a wasteful number, since it uses less digits than its factorization.

47769923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1291116.

The product of its digits is 571536, while the sum is 47.

The square root of 47769923 is about 6911.5789078907. The cubic root of 47769923 is about 362.8425249197.

The spelling of 47769923 in words is "forty-seven million, seven hundred sixty-nine thousand, nine hundred twenty-three".