23502040 has 16 divisors (see below), whose sum is σ = 52879680. Its totient is φ = 9400800.

The previous prime is 23502023. The next prime is 23502047. The reversal of 23502040 is 4020532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23502047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 293736 + ... + 293815.

It is an arithmetic number, because the mean of its divisors is an integer number (3304980).

Almost surely, 2^23502040 is an apocalyptic number.

23502040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23502040 is an abundant number, since it is smaller than the sum of its proper divisors (29377640).

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

23502040 is a wasteful number, since it uses less digits than its factorization.

23502040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587562 (or 587558 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 23502040 is about 4847.8902627844. The cubic root of 23502040 is about 286.4410038251.

Adding to 23502040 its reverse (4020532), we get a palindrome (27522572).

The spelling of 23502040 in words is "twenty-three million, five hundred two thousand, forty".