23305480 has 32 divisors (see below), whose sum is σ = 57205440. Its totient is φ = 8474560.

The previous prime is 23305421. The next prime is 23305483. The reversal of 23305480 is 8450332.

It is not an unprimeable number, because it can be changed into a prime (23305483) by changing a digit.

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, 26044 + ... + 26923.

It is an arithmetic number, because the mean of its divisors is an integer number (1787670).

Almost surely, 2^23305480 is an apocalyptic number.

23305480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23305480 is an abundant number, since it is smaller than the sum of its proper divisors (33899960).

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

23305480 is a wasteful number, since it uses less digits than its factorization.

23305480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52989 (or 52985 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 23305480 is about 4827.5749605780. The cubic root of 23305480 is about 285.6402146083.

It can be divided in two parts, 23 and 305480, that added together give a palindrome (305503).

The spelling of 23305480 in words is "twenty-three million, three hundred five thousand, four hundred eighty".