473522143 has 4 divisors (see below), whose sum is σ = 474549768. Its totient is φ = 472494520.

The previous prime is 473522107. The next prime is 473522177. The reversal of 473522143 is 341225374.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 473522143 - 2¹³ = 473513951 is a prime.

It is a super-2 number, since 2×473522143² = 448446439822624898, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (473522843) 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, 513121 + ... + 514042.

It is an arithmetic number, because the mean of its divisors is an integer number (118637442).

Almost surely, 2^473522143 is an apocalyptic number.

473522143 is a deficient number, since it is larger than the sum of its proper divisors (1027625).

473522143 is a wasteful number, since it uses less digits than its factorization.

473522143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1027624.

The product of its digits is 20160, while the sum is 31.

The square root of 473522143 is about 21760.5639403027. The cubic root of 473522143 is about 779.4353479692.

The spelling of 473522143 in words is "four hundred seventy-three million, five hundred twenty-two thousand, one hundred forty-three".