23097191 has 8 divisors (see below), whose sum is σ = 25154640. Its totient is φ = 21079872.

The previous prime is 23097187. The next prime is 23097197. The reversal of 23097191 is 19179032.

It is a happy number.

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 23097191 - 2² = 23097187 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 (23097197) 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, 8825 + ... + 11138.

It is an arithmetic number, because the mean of its divisors is an integer number (3144330).

Almost surely, 2^23097191 is an apocalyptic number.

23097191 is a deficient number, since it is larger than the sum of its proper divisors (2057449).

23097191 is a wasteful number, since it uses less digits than its factorization.

23097191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20065.

The product of its (nonzero) digits is 3402, while the sum is 32.

The square root of 23097191 is about 4805.9537034807. The cubic root of 23097191 is about 284.7867122780.

The spelling of 23097191 in words is "twenty-three million, ninety-seven thousand, one hundred ninety-one".