47423793 has 16 divisors (see below), whose sum is σ = 64895040. Its totient is φ = 30795264.

The previous prime is 47423773. The next prime is 47423801. The reversal of 47423793 is 39732474.

It is not a de Polignac number, because 47423793 - 2¹⁸ = 47161649 is a prime.

It is a super-2 number, since 2×47423793² = 4498032285013698, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (47423743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16873 + ... + 19481.

It is an arithmetic number, because the mean of its divisors is an integer number (4055940).

Almost surely, 2^47423793 is an apocalyptic number.

It is an amenable number.

47423793 is a deficient number, since it is larger than the sum of its proper divisors (17471247).

47423793 is a wasteful number, since it uses less digits than its factorization.

47423793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2768.

The product of its digits is 127008, while the sum is 39.

The square root of 47423793 is about 6886.4935199272. The cubic root of 47423793 is about 361.9640415836.

The spelling of 47423793 in words is "forty-seven million, four hundred twenty-three thousand, seven hundred ninety-three".