23920534 has 16 divisors (see below), whose sum is σ = 40493520. Its totient is φ = 10497760.

The previous prime is 23920531. The next prime is 23920553. The reversal of 23920534 is 43502932.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23920531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18109 + ... + 19384.

It is an arithmetic number, because the mean of its divisors is an integer number (2530845).

Almost surely, 2^23920534 is an apocalyptic number.

23920534 is a deficient number, since it is larger than the sum of its proper divisors (16572986).

23920534 is a wasteful number, since it uses less digits than its factorization.

23920534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37535.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 23920534 is about 4890.8622961601. The cubic root of 23920534 is about 288.1312014733.

The spelling of 23920534 in words is "twenty-three million, nine hundred twenty thousand, five hundred thirty-four".