23906730 has 32 divisors (see below), whose sum is σ = 59356800. Its totient is φ = 6155072.

The previous prime is 23906711. The next prime is 23906737. The reversal of 23906730 is 3760932.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23906737) 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 15 ways as a sum of consecutive naturals, for example, 12870 + ... + 14609.

It is an arithmetic number, because the mean of its divisors is an integer number (1854900).

Almost surely, 2^23906730 is an apocalyptic number.

23906730 is an abundant number, since it is smaller than the sum of its proper divisors (35450070).

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

23906730 is a wasteful number, since it uses less digits than its factorization.

23906730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27518.

The product of its (nonzero) digits is 6804, while the sum is 30.

The square root of 23906730 is about 4889.4508894149. The cubic root of 23906730 is about 288.0757661385.

The spelling of 23906730 in words is "twenty-three million, nine hundred six thousand, seven hundred thirty".