105234203 has 4 divisors (see below), whose sum is σ = 107219808. Its totient is φ = 103248600.

The previous prime is 105234197. The next prime is 105234209. The reversal of 105234203 is 302432501.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 302432501 = 7 ⋅43204643.

It is an interprime number because it is at equal distance from previous prime (105234197) and next prime (105234209).

It is a cyclic number.

It is not a de Polignac number, because 105234203 - 2¹² = 105230107 is a prime.

It is a super-2 number, since 2×105234203² = 22148474962090418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105234209) 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, 992723 + ... + 992828.

It is an arithmetic number, because the mean of its divisors is an integer number (26804952).

Almost surely, 2^105234203 is an apocalyptic number.

105234203 is a deficient number, since it is larger than the sum of its proper divisors (1985605).

105234203 is an equidigital number, since it uses as much as digits as its factorization.

105234203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1985604.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 105234203 is about 10258.3723367794. The cubic root of 105234203 is about 472.1198988590.

Adding to 105234203 its reverse (302432501), we get a palindrome (407666704).

The spelling of 105234203 in words is "one hundred five million, two hundred thirty-four thousand, two hundred three".