23449536 has 84 divisors (see below), whose sum is σ = 73344024. Its totient is φ = 7104000.

The previous prime is 23449523. The next prime is 23449549. The reversal of 23449536 is 63594432.

It is an interprime number because it is at equal distance from previous prime (23449523) and next prime (23449549).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 23449536.

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 11 ways as a sum of consecutive naturals, for example, 4486 + ... + 8186.

Almost surely, 2^23449536 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 23449536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36672012).

23449536 is an abundant number, since it is smaller than the sum of its proper divisors (49894488).

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

23449536 is a wasteful number, since it uses less digits than its factorization.

23449536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3730 (or 3717 counting only the distinct ones).

The product of its digits is 77760, while the sum is 36.

The square root of 23449536 is about 4842.4720959444. The cubic root of 23449536 is about 286.2275399195.

Subtracting 23449536 from its reverse (63594432), we obtain a square (40144896 = 6336²).

It can be divided in two parts, 234 and 49536, that added together give a triangular number (49770 = T₃₁₅).

The spelling of 23449536 in words is "twenty-three million, four hundred forty-nine thousand, five hundred thirty-six".