23024540 has 48 divisors (see below), whose sum is σ = 60286464. Its totient is φ = 7176000.

The previous prime is 23024539. The next prime is 23024549. The reversal of 23024540 is 4542032.

23024540 = T₁₃₅ + T₁₃₆ + ... + T₅₁₉.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23024549) 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, 5936 + ... + 9015.

It is an arithmetic number, because the mean of its divisors is an integer number (1255968).

Almost surely, 2^23024540 is an apocalyptic number.

23024540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23024540 is an abundant number, since it is smaller than the sum of its proper divisors (37261924).

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

23024540 is a wasteful number, since it uses less digits than its factorization.

23024540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14978 (or 14976 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 23024540 is about 4798.3893130925. The cubic root of 23024540 is about 284.4878047822.

Adding to 23024540 its reverse (4542032), we get a palindrome (27566572).

The spelling of 23024540 in words is "twenty-three million, twenty-four thousand, five hundred forty".