23034840 has 64 divisors (see below), whose sum is σ = 72748800. Its totient is φ = 5818752.

The previous prime is 23034773. The next prime is 23034857. The reversal of 23034840 is 4843032.

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

It is a self number, because there is not a number n which added to its sum of digits gives 23034840.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2772 + ... + 7331.

It is an arithmetic number, because the mean of its divisors is an integer number (1136700).

Almost surely, 2^23034840 is an apocalyptic number.

23034840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23034840 is an abundant number, since it is smaller than the sum of its proper divisors (49713960).

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

23034840 is a wasteful number, since it uses less digits than its factorization.

23034840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10136 (or 10132 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 23034840 is about 4799.4624699022. The cubic root of 23034840 is about 284.5302202160.

Adding to 23034840 its reverse (4843032), we get a palindrome (27877872).

The spelling of 23034840 in words is "twenty-three million, thirty-four thousand, eight hundred forty".