23634428 has 6 divisors (see below), whose sum is σ = 41360256. Its totient is φ = 11817212.

The previous prime is 23634421. The next prime is 23634487. The reversal of 23634428 is 82443632.

It is a junction number, because it is equal to n+sod(n) for n = 23634394 and 23634403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23634421) by changing a digit.

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 as a sum of consecutive naturals, namely, 2954300 + ... + 2954307.

It is an arithmetic number, because the mean of its divisors is an integer number (6893376).

Almost surely, 2^23634428 is an apocalyptic number.

It is an amenable number.

23634428 is a deficient number, since it is larger than the sum of its proper divisors (17725828).

23634428 is a wasteful number, since it uses less digits than its factorization.

23634428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5908611 (or 5908609 counting only the distinct ones).

The product of its digits is 27648, while the sum is 32.

The square root of 23634428 is about 4861.5252750551. The cubic root of 23634428 is about 286.9778418955.

The spelling of 23634428 in words is "twenty-three million, six hundred thirty-four thousand, four hundred twenty-eight".