23144836 has 48 divisors (see below), whose sum is σ = 48742848. Its totient is φ = 9475200.

The previous prime is 23144833. The next prime is 23144839. The reversal of 23144836 is 63844132.

It is an interprime number because it is at equal distance from previous prime (23144833) and next prime (23144839).

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 23144798 and 23144807.

It is not an unprimeable number, because it can be changed into a prime (23144833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24126 + ... + 25066.

It is an arithmetic number, because the mean of its divisors is an integer number (1015476).

Almost surely, 2^23144836 is an apocalyptic number.

23144836 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

23144836 is an abundant number, since it is smaller than the sum of its proper divisors (25598012).

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

23144836 is a wasteful number, since it uses less digits than its factorization.

23144836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012 (or 1010 counting only the distinct ones).

The product of its digits is 13824, while the sum is 31.

The square root of 23144836 is about 4810.9080224008. The cubic root of 23144836 is about 284.9823975996.

Adding to 23144836 its reverse (63844132), we get a palindrome (86988968).

The spelling of 23144836 in words is "twenty-three million, one hundred forty-four thousand, eight hundred thirty-six".