23409397 has 8 divisors (see below), whose sum is σ = 25584480. Its totient is φ = 21242160.

The previous prime is 23409383. The next prime is 23409427. The reversal of 23409397 is 79390432.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23409397 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 (23409317) 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, 5554 + ... + 8812.

It is an arithmetic number, because the mean of its divisors is an integer number (3198060).

Almost surely, 2^23409397 is an apocalyptic number.

It is an amenable number.

23409397 is a deficient number, since it is larger than the sum of its proper divisors (2175083).

23409397 is a wasteful number, since it uses less digits than its factorization.

23409397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3923.

The product of its (nonzero) digits is 40824, while the sum is 37.

The square root of 23409397 is about 4838.3258468193. The cubic root of 23409397 is about 286.0641330087.

The spelling of 23409397 in words is "twenty-three million, four hundred nine thousand, three hundred ninety-seven".