23909413 has 8 divisors (see below), whose sum is σ = 26575776. Its totient is φ = 21325200.

The previous prime is 23909411. The next prime is 23909423. The reversal of 23909413 is 31490932.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23909413 - 2¹ = 23909411 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23909411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19923 + ... + 21088.

It is an arithmetic number, because the mean of its divisors is an integer number (3321972).

Almost surely, 2^23909413 is an apocalyptic number.

It is an amenable number.

23909413 is a deficient number, since it is larger than the sum of its proper divisors (2666363).

23909413 is a wasteful number, since it uses less digits than its factorization.

23909413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41075.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 23909413 is about 4889.7252479050. The cubic root of 23909413 is about 288.0865424396.

The spelling of 23909413 in words is "twenty-three million, nine hundred nine thousand, four hundred thirteen".