23303528 has 32 divisors (see below), whose sum is σ = 44651520. Its totient is φ = 11400000.

The previous prime is 23303513. The next prime is 23303543. The reversal of 23303528 is 82530332.

It is an interprime number because it is at equal distance from previous prime (23303513) and next prime (23303543).

It is a super-5 number, since 5×23303528⁵ (a number of 38 digits) contains 55555 as substring.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 23303497 and 23303506.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121913 + ... + 122103.

It is an arithmetic number, because the mean of its divisors is an integer number (1395360).

Almost surely, 2^23303528 is an apocalyptic number.

It is an amenable number.

23303528 is a deficient number, since it is larger than the sum of its proper divisors (21347992).

23303528 is a wasteful number, since it uses less digits than its factorization.

23303528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449 (or 445 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 23303528 is about 4827.3727844450. The cubic root of 23303528 is about 285.6322395846.

The spelling of 23303528 in words is "twenty-three million, three hundred three thousand, five hundred twenty-eight".