23520534 has 8 divisors (see below), whose sum is σ = 47041080. Its totient is φ = 7840176.

The previous prime is 23520509. The next prime is 23520547. The reversal of 23520534 is 43502532.

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

23520534 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1960039 + ... + 1960050.

It is an arithmetic number, because the mean of its divisors is an integer number (5880135).

Almost surely, 2^23520534 is an apocalyptic number.

23520534 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23520534 is a wasteful number, since it uses less digits than its factorization.

23520534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3920094.

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 23520534 is about 4849.7973153525. The cubic root of 23520534 is about 286.5161185952.

The spelling of 23520534 in words is "twenty-three million, five hundred twenty thousand, five hundred thirty-four".