47023445 has 16 divisors (see below), whose sum is σ = 68283648. Its totient is φ = 30347520.

The previous prime is 47023441. The next prime is 47023447. The reversal of 47023445 is 54432074.

47023445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 47023445 - 2² = 47023441 is a prime.

It is a super-2 number, since 2×47023445² = 4422408759336050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47023441) 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 15 ways as a sum of consecutive naturals, for example, 38921 + ... + 40110.

It is an arithmetic number, because the mean of its divisors is an integer number (4267728).

Almost surely, 2^47023445 is an apocalyptic number.

It is an amenable number.

47023445 is a deficient number, since it is larger than the sum of its proper divisors (21260203).

47023445 is a wasteful number, since it uses less digits than its factorization.

47023445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79060.

The product of its (nonzero) digits is 13440, while the sum is 29.

The square root of 47023445 is about 6857.3642895795. The cubic root of 47023445 is about 360.9426043705.

The spelling of 47023445 in words is "forty-seven million, twenty-three thousand, four hundred forty-five".