23034520 has 16 divisors (see below), whose sum is σ = 51827760. Its totient is φ = 9213792.

The previous prime is 23034511. The next prime is 23034551. The reversal of 23034520 is 2543032.

It is a super-2 number, since 2×23034520² = 1061178223260800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287892 + ... + 287971.

It is an arithmetic number, because the mean of its divisors is an integer number (3239235).

Almost surely, 2^23034520 is an apocalyptic number.

23034520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23034520 is an abundant number, since it is smaller than the sum of its proper divisors (28793240).

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

23034520 is a wasteful number, since it uses less digits than its factorization.

23034520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575874 (or 575870 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 23034520 is about 4799.4291327198. The cubic root of 23034520 is about 284.5289026452.

Adding to 23034520 its reverse (2543032), we get a palindrome (25577552).

The spelling of 23034520 in words is "twenty-three million, thirty-four thousand, five hundred twenty".