23906380 has 24 divisors (see below), whose sum is σ = 50355648. Its totient is φ = 9533568.

The previous prime is 23906371. The next prime is 23906381. The reversal of 23906380 is 8360932.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (23906381) 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, 5712 + ... + 8968.

It is an arithmetic number, because the mean of its divisors is an integer number (2098152).

Almost surely, 2^23906380 is an apocalyptic number.

23906380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23906380 is an abundant number, since it is smaller than the sum of its proper divisors (26449268).

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

23906380 is a wasteful number, since it uses less digits than its factorization.

23906380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3633 (or 3631 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 23906380 is about 4889.4150979437. The cubic root of 23906380 is about 288.0743602999.

The spelling of 23906380 in words is "twenty-three million, nine hundred six thousand, three hundred eighty".