47772423 has 10 divisors (see below), whose sum is σ = 71363864. Its totient is φ = 31848228.

The previous prime is 47772409. The next prime is 47772433. The reversal of 47772423 is 32427774.

It is not a de Polignac number, because 47772423 - 2⁵ = 47772391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47772433) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 294811 + ... + 294972.

Almost surely, 2^47772423 is an apocalyptic number.

47772423 is a deficient number, since it is larger than the sum of its proper divisors (23591441).

47772423 is an equidigital number, since it uses as much as digits as its factorization.

47772423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589795 (or 589786 counting only the distinct ones).

The product of its digits is 65856, while the sum is 36.

The square root of 47772423 is about 6911.7597614500. The cubic root of 47772423 is about 362.8488544986.

It can be divided in two parts, 477 and 72423, that added together give a square (72900 = 270²).

The spelling of 47772423 in words is "forty-seven million, seven hundred seventy-two thousand, four hundred twenty-three".