23906417 has 4 divisors (see below), whose sum is σ = 23966436. Its totient is φ = 23846400.

The previous prime is 23906413. The next prime is 23906419. The reversal of 23906417 is 71460932.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23726641 + 179776 = 4871^2 + 424^2 .

It is a cyclic number.

It is not a de Polignac number, because 23906417 - 2² = 23906413 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23906413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29408 + ... + 30209.

It is an arithmetic number, because the mean of its divisors is an integer number (5991609).

Almost surely, 2^23906417 is an apocalyptic number.

It is an amenable number.

23906417 is a deficient number, since it is larger than the sum of its proper divisors (60019).

23906417 is an equidigital number, since it uses as much as digits as its factorization.

23906417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60018.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 23906417 is about 4889.4188816259. The cubic root of 23906417 is about 288.0745089178.

The spelling of 23906417 in words is "twenty-three million, nine hundred six thousand, four hundred seventeen".