23009397 has 8 divisors (see below), whose sum is σ = 30709344. Its totient is φ = 15324528.

The previous prime is 23009377. The next prime is 23009411. The reversal of 23009397 is 79390032.

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

It is not a de Polignac number, because 23009397 - 2⁶ = 23009333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23009377) 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, 478 + ... + 6800.

It is an arithmetic number, because the mean of its divisors is an integer number (3838668).

Almost surely, 2^23009397 is an apocalyptic number.

It is an amenable number.

23009397 is a deficient number, since it is larger than the sum of its proper divisors (7699947).

23009397 is a wasteful number, since it uses less digits than its factorization.

23009397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7539.

The product of its (nonzero) digits is 10206, while the sum is 33.

The square root of 23009397 is about 4796.8111282393. The cubic root of 23009397 is about 284.4254228828.

The spelling of 23009397 in words is "twenty-three million, nine thousand, three hundred ninety-seven".