23553432 has 96 divisors (see below), whose sum is σ = 77220000. Its totient is φ = 6331392.

The previous prime is 23553427. The next prime is 23553461. The reversal of 23553432 is 23435532.

It is a junction number, because it is equal to n+sod(n) for n = 23553396 and 23553405.

It is a congruent number.

It is an unprimeable number.

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 in 23 ways as a sum of consecutive naturals, for example, 7194 + ... + 9942.

It is an arithmetic number, because the mean of its divisors is an integer number (804375).

Almost surely, 2^23553432 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 23553432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38610000).

23553432 is an abundant number, since it is smaller than the sum of its proper divisors (53666568).

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

23553432 is a wasteful number, since it uses less digits than its factorization.

23553432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2785 (or 2778 counting only the distinct ones).

The product of its digits is 10800, while the sum is 27.

The square root of 23553432 is about 4853.1878183314. The cubic root of 23553432 is about 286.6496390343.

Adding to 23553432 its reverse (23435532), we get a palindrome (46988964).

The spelling of 23553432 in words is "twenty-three million, five hundred fifty-three thousand, four hundred thirty-two".