34320143 has 16 divisors (see below), whose sum is σ = 40715136. Its totient is φ = 28518240.

The previous prime is 34320107. The next prime is 34320173. The reversal of 34320143 is 34102343.

It is a cyclic number.

It is not a de Polignac number, because 34320143 - 2¹⁰ = 34319119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34320173) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14180 + ... + 16422.

It is an arithmetic number, because the mean of its divisors is an integer number (2544696).

Almost surely, 2^34320143 is an apocalyptic number.

34320143 is a deficient number, since it is larger than the sum of its proper divisors (6394993).

34320143 is a wasteful number, since it uses less digits than its factorization.

34320143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2374.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 34320143 is about 5858.3396111868. The cubic root of 34320143 is about 324.9748083038.

Adding to 34320143 its reverse (34102343), we get a palindrome (68422486).

The spelling of 34320143 in words is "thirty-four million, three hundred twenty thousand, one hundred forty-three".