23433144 has 32 divisors (see below), whose sum is σ = 66952320. Its totient is φ = 6695136.

The previous prime is 23433139. The next prime is 23433161. The reversal of 23433144 is 44133432.

It is a super-2 number, since 2×23433144² = 1098224475449472, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69574 + ... + 69909.

It is an arithmetic number, because the mean of its divisors is an integer number (2092260).

Almost surely, 2^23433144 is an apocalyptic number.

23433144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

23433144 is an abundant number, since it is smaller than the sum of its proper divisors (43519176).

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

23433144 is a wasteful number, since it uses less digits than its factorization.

23433144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139499 (or 139495 counting only the distinct ones).

The product of its digits is 3456, while the sum is 24.

The square root of 23433144 is about 4840.7792761083. The cubic root of 23433144 is about 286.1608302057.

Adding to 23433144 its reverse (44133432), we get a palindrome (67566576).

The spelling of 23433144 in words is "twenty-three million, four hundred thirty-three thousand, one hundred forty-four".