23434056 has 128 divisors (see below), whose sum is σ = 69984000. Its totient is φ = 7248384.

The previous prime is 23434043. The next prime is 23434057. The reversal of 23434056 is 65043432.

It is a super-2 number, since 2×23434056² = 1098309961222272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (23434057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 263260 + ... + 263348.

It is an arithmetic number, because the mean of its divisors is an integer number (546750).

Almost surely, 2^23434056 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 23434056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34992000).

23434056 is an abundant number, since it is smaller than the sum of its proper divisors (46549944).

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

23434056 is a wasteful number, since it uses less digits than its factorization.

23434056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180 (or 170 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 23434056 is about 4840.8734749010. The cubic root of 23434056 is about 286.1645425442.

Adding to 23434056 its reverse (65043432), we get a palindrome (88477488).

The spelling of 23434056 in words is "twenty-three million, four hundred thirty-four thousand, fifty-six".