23032530 has 24 divisors (see below), whose sum is σ = 59884812. Its totient is φ = 6141984.

The previous prime is 23032519. The next prime is 23032531. The reversal of 23032530 is 3523032.

It can be written as a sum of positive squares in 2 ways, for example, as 22781529 + 251001 = 4773^2 + 501^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (23032531) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 127869 + ... + 128048.

Almost surely, 2^23032530 is an apocalyptic number.

23032530 is an abundant number, since it is smaller than the sum of its proper divisors (36852282).

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

23032530 is a wasteful number, since it uses less digits than its factorization.

23032530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255930 (or 255927 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 18.

The square root of 23032530 is about 4799.2218119191. The cubic root of 23032530 is about 284.5207087284.

Adding to 23032530 its reverse (3523032), we get a palindrome (26555562).

The spelling of 23032530 in words is "twenty-three million, thirty-two thousand, five hundred thirty".