434013143 has 4 divisors (see below), whose sum is σ = 456855960. Its totient is φ = 411170328.

The previous prime is 434013137. The next prime is 434013157. The reversal of 434013143 is 341310434.

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 434013143 - 2¹² = 434009047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434013133) 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, 11421380 + ... + 11421417.

It is an arithmetic number, because the mean of its divisors is an integer number (114213990).

Almost surely, 2^434013143 is an apocalyptic number.

434013143 is a deficient number, since it is larger than the sum of its proper divisors (22842817).

434013143 is a wasteful number, since it uses less digits than its factorization.

434013143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22842816.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 434013143 is about 20832.9820957058. The cubic root of 434013143 is about 757.1250704411.

Adding to 434013143 its reverse (341310434), we get a palindrome (775323577).

The spelling of 434013143 in words is "four hundred thirty-four million, thirteen thousand, one hundred forty-three".