23528943 has 6 divisors (see below), whose sum is σ = 33986264. Its totient is φ = 15685956.

The previous prime is 23528917. The next prime is 23528963. The reversal of 23528943 is 34982532.

It is not a de Polignac number, because 23528943 - 2¹² = 23524847 is a prime.

It is a super-2 number, since 2×23528943² = 1107222317394498, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23528898 and 23528907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23528963) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1307155 + ... + 1307172.

Almost surely, 2^23528943 is an apocalyptic number.

23528943 is a deficient number, since it is larger than the sum of its proper divisors (10457321).

23528943 is a wasteful number, since it uses less digits than its factorization.

23528943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2614333 (or 2614330 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 23528943 is about 4850.6641813261. The cubic root of 23528943 is about 286.5502593588.

The spelling of 23528943 in words is "twenty-three million, five hundred twenty-eight thousand, nine hundred forty-three".