23351532 has 96 divisors (see below), whose sum is σ = 61662720. Its totient is φ = 6842880.

The previous prime is 23351521. The next prime is 23351533. The reversal of 23351532 is 23515332.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23351533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 319848 + ... + 319920.

It is an arithmetic number, because the mean of its divisors is an integer number (642320).

Almost surely, 2^23351532 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23351532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30831360).

23351532 is an abundant number, since it is smaller than the sum of its proper divisors (38311188).

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

23351532 is a wasteful number, since it uses less digits than its factorization.

23351532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183 (or 181 counting only the distinct ones).

The product of its digits is 2700, while the sum is 24.

The square root of 23351532 is about 4832.3422892010. The cubic root of 23351532 is about 285.8282340254.

Adding to 23351532 its reverse (23515332), we get a palindrome (46866864).

The spelling of 23351532 in words is "twenty-three million, three hundred fifty-one thousand, five hundred thirty-two".