23245340 has 24 divisors (see below), whose sum is σ = 49267680. Its totient is φ = 9211968.

The previous prime is 23245333. The next prime is 23245367. The reversal of 23245340 is 4354232.

23245340 = T₁₇₅₃ + T₁₇₅₄ + ... + T₁₇₆₇.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3152 + ... + 7511.

It is an arithmetic number, because the mean of its divisors is an integer number (2052820).

Almost surely, 2^23245340 is an apocalyptic number.

23245340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23245340 is an abundant number, since it is smaller than the sum of its proper divisors (26022340).

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

23245340 is a wasteful number, since it uses less digits than its factorization.

23245340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10781 (or 10779 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 23245340 is about 4821.3421367914. The cubic root of 23245340 is about 285.3943039174.

Adding to 23245340 its reverse (4354232), we get a palindrome (27599572).

The spelling of 23245340 in words is "twenty-three million, two hundred forty-five thousand, three hundred forty".