105423379 has 4 divisors (see below), whose sum is σ = 105446376. Its totient is φ = 105400384.

The previous prime is 105423377. The next prime is 105423389. The reversal of 105423379 is 973324501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 105423379 - 2¹ = 105423377 is a prime.

It is a super-2 number, since 2×105423379² = 22228177679555282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105423371) 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, 2014 + ... + 14659.

It is an arithmetic number, because the mean of its divisors is an integer number (26361594).

Almost surely, 2^105423379 is an apocalyptic number.

105423379 is a deficient number, since it is larger than the sum of its proper divisors (22997).

105423379 is an equidigital number, since it uses as much as digits as its factorization.

105423379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22996.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 105423379 is about 10267.5887627037. The cubic root of 105423379 is about 472.4026342120.

The spelling of 105423379 in words is "one hundred five million, four hundred twenty-three thousand, three hundred seventy-nine".