23445532 has 12 divisors (see below), whose sum is σ = 44759736. Its totient is φ = 10657040.

The previous prime is 23445509. The next prime is 23445553. The reversal of 23445532 is 23554432.

It is a self number, because there is not a number n which added to its sum of digits gives 23445532.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 266383 + ... + 266470.

It is an arithmetic number, because the mean of its divisors is an integer number (3729978).

Almost surely, 2^23445532 is an apocalyptic number.

23445532 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

23445532 is a deficient number, since it is larger than the sum of its proper divisors (21314204).

23445532 is a wasteful number, since it uses less digits than its factorization.

23445532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532868 (or 532866 counting only the distinct ones).

The product of its digits is 14400, while the sum is 28.

The square root of 23445532 is about 4842.0586530937. The cubic root of 23445532 is about 286.2112479084.

Adding to 23445532 its reverse (23554432), we get a palindrome (46999964).

Subtracting 23445532 from its reverse (23554432), we obtain a square (108900 = 330²).

The spelling of 23445532 in words is "twenty-three million, four hundred forty-five thousand, five hundred thirty-two".