47013023 has 4 divisors (see below), whose sum is σ = 47048928. Its totient is φ = 46977120.

The previous prime is 47012983. The next prime is 47013037. The reversal of 47013023 is 32031074.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47013023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47012986 and 47013004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47013073) 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, 15911 + ... + 18632.

It is an arithmetic number, because the mean of its divisors is an integer number (11762232).

Almost surely, 2^47013023 is an apocalyptic number.

47013023 is a deficient number, since it is larger than the sum of its proper divisors (35905).

47013023 is a wasteful number, since it uses less digits than its factorization.

47013023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35904.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 47013023 is about 6856.6043345084. The cubic root of 47013023 is about 360.9159366677.

Adding to 47013023 its reverse (32031074), we get a palindrome (79044097).

The spelling of 47013023 in words is "forty-seven million, thirteen thousand, twenty-three".