23031197 has 4 divisors (see below), whose sum is σ = 26321376. Its totient is φ = 19741020.

The previous prime is 23031167. The next prime is 23031227. The reversal of 23031197 is 79113032.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (23031167) and next prime (23031227).

It is a cyclic number.

It is not a de Polignac number, because 23031197 - 2⁸ = 23030941 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 (23031157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1645079 + ... + 1645092.

It is an arithmetic number, because the mean of its divisors is an integer number (6580344).

Almost surely, 2^23031197 is an apocalyptic number.

It is an amenable number.

23031197 is a deficient number, since it is larger than the sum of its proper divisors (3290179).

23031197 is an equidigital number, since it uses as much as digits as its factorization.

23031197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3290178.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 23031197 is about 4799.0829332280. The cubic root of 23031197 is about 284.5152197755.

The spelling of 23031197 in words is "twenty-three million, thirty-one thousand, one hundred ninety-seven".