23378197 has 4 divisors (see below), whose sum is σ = 23921920. Its totient is φ = 22834476.

The previous prime is 23378183. The next prime is 23378207. The reversal of 23378197 is 79187332.

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 a cyclic number.

It is not a de Polignac number, because 23378197 - 2¹¹ = 23376149 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 (23378107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 271797 + ... + 271882.

It is an arithmetic number, because the mean of its divisors is an integer number (5980480).

Almost surely, 2^23378197 is an apocalyptic number.

It is an amenable number.

23378197 is a deficient number, since it is larger than the sum of its proper divisors (543723).

23378197 is an equidigital number, since it uses as much as digits as its factorization.

23378197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543722.

The product of its digits is 63504, while the sum is 40.

The square root of 23378197 is about 4835.1005160183. The cubic root of 23378197 is about 285.9369879275.

The spelling of 23378197 in words is "twenty-three million, three hundred seventy-eight thousand, one hundred ninety-seven".