123235193 has 4 divisors (see below), whose sum is σ = 130484340. Its totient is φ = 115986048.

The previous prime is 123235187. The next prime is 123235207. The reversal of 123235193 is 391532321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 391532321 = 17 ⋅23031313.

It can be written as a sum of positive squares in 2 ways, for example, as 83759104 + 39476089 = 9152^2 + 6283^2 .

It is a cyclic number.

It is not a de Polignac number, because 123235193 - 2²⁴ = 106457977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123235103) 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, 3624548 + ... + 3624581.

It is an arithmetic number, because the mean of its divisors is an integer number (32621085).

Almost surely, 2^123235193 is an apocalyptic number.

It is an amenable number.

123235193 is a deficient number, since it is larger than the sum of its proper divisors (7249147).

123235193 is an equidigital number, since it uses as much as digits as its factorization.

123235193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7249146.

The product of its digits is 4860, while the sum is 29.

The square root of 123235193 is about 11101.1347618160. The cubic root of 123235193 is about 497.6357623812.

The spelling of 123235193 in words is "one hundred twenty-three million, two hundred thirty-five thousand, one hundred ninety-three".