23145193 has 4 divisors (see below), whose sum is σ = 23177088. Its totient is φ = 23113300.

The previous prime is 23145179. The next prime is 23145203. The reversal of 23145193 is 39154132.

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 23145193 - 2¹³ = 23137001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23145113) 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, 14833 + ... + 16318.

It is an arithmetic number, because the mean of its divisors is an integer number (5794272).

Almost surely, 2^23145193 is an apocalyptic number.

It is an amenable number.

23145193 is a deficient number, since it is larger than the sum of its proper divisors (31895).

23145193 is an equidigital number, since it uses as much as digits as its factorization.

23145193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31894.

The product of its digits is 3240, while the sum is 28.

The square root of 23145193 is about 4810.9451254405. The cubic root of 23145193 is about 284.9838628393.

The spelling of 23145193 in words is "twenty-three million, one hundred forty-five thousand, one hundred ninety-three".