47730023 has 12 divisors (see below), whose sum is σ = 52642464. Its totient is φ = 43243200.

The previous prime is 47729953. The next prime is 47730031. The reversal of 47730023 is 32003774.

It is not a de Polignac number, because 47730023 - 2²⁰ = 46681447 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47729974 and 47730001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47730523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51938 + ... + 52848.

It is an arithmetic number, because the mean of its divisors is an integer number (4386872).

Almost surely, 2^47730023 is an apocalyptic number.

47730023 is a deficient number, since it is larger than the sum of its proper divisors (4912441).

47730023 is a wasteful number, since it uses less digits than its factorization.

47730023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1366 (or 1355 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 26.

The square root of 47730023 is about 6908.6918443364. The cubic root of 47730023 is about 362.7414749391.

Adding to 47730023 its reverse (32003774), we get a palindrome (79733797).

The spelling of 47730023 in words is "forty-seven million, seven hundred thirty thousand, twenty-three".