34123521 has 8 divisors (see below), whose sum is σ = 46607904. Its totient is φ = 22194080.

The previous prime is 34123493. The next prime is 34123567. The reversal of 34123521 is 12532143.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 34123521 - 2⁵ = 34123489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (34123571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138591 + ... + 138836.

It is an arithmetic number, because the mean of its divisors is an integer number (5825988).

Almost surely, 2^34123521 is an apocalyptic number.

It is an amenable number.

34123521 is a deficient number, since it is larger than the sum of its proper divisors (12484383).

34123521 is a wasteful number, since it uses less digits than its factorization.

34123521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277471.

The product of its digits is 720, while the sum is 21.

The square root of 34123521 is about 5841.5341306886. The cubic root of 34123521 is about 324.3530198092.

Adding to 34123521 its reverse (12532143), we get a palindrome (46655664).

The spelling of 34123521 in words is "thirty-four million, one hundred twenty-three thousand, five hundred twenty-one".