105823397 has 4 divisors (see below), whose sum is σ = 106062720. Its totient is φ = 105584076.

The previous prime is 105823381. The next prime is 105823409. The reversal of 105823397 is 793328501.

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, and also an emirpimes, since its reverse is a distinct semiprime: 793328501 = 7 ⋅113332643.

It is a cyclic number.

It is not a de Polignac number, because 105823397 - 2⁴ = 105823381 is a prime.

It is a super-2 number, since 2×105823397² = 22397182705239218, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 105823397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105823097) 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, 118997 + ... + 119882.

It is an arithmetic number, because the mean of its divisors is an integer number (26515680).

Almost surely, 2^105823397 is an apocalyptic number.

It is an amenable number.

105823397 is a deficient number, since it is larger than the sum of its proper divisors (239323).

105823397 is an equidigital number, since it uses as much as digits as its factorization.

105823397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239322.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 105823397 is about 10287.0499658551. The cubic root of 105823397 is about 472.9993742421. Note that the first 3 decimals are identical.

The spelling of 105823397 in words is "one hundred five million, eight hundred twenty-three thousand, three hundred ninety-seven".