34523013 has 16 divisors (see below), whose sum is σ = 52989440. Its totient is φ = 19583856.

The previous prime is 34523003. The next prime is 34523017. The reversal of 34523013 is 31032543.

It is not a de Polignac number, because 34523013 - 2⁴ = 34522997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34523017) 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, 2995 + ... + 8832.

It is an arithmetic number, because the mean of its divisors is an integer number (3311840).

Almost surely, 2^34523013 is an apocalyptic number.

It is an amenable number.

34523013 is a deficient number, since it is larger than the sum of its proper divisors (18466427).

34523013 is a wasteful number, since it uses less digits than its factorization.

34523013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11976.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 34523013 is about 5875.6287323145. The cubic root of 34523013 is about 325.6138709336.

Adding to 34523013 its reverse (31032543), we get a palindrome (65555556).

The spelling of 34523013 in words is "thirty-four million, five hundred twenty-three thousand, thirteen".