103523969 has 4 divisors (see below), whose sum is σ = 103927044. Its totient is φ = 103120896.

The previous prime is 103523941. The next prime is 103523971. The reversal of 103523969 is 969325301.

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

It can be written as a sum of positive squares in 2 ways, for example, as 88585744 + 14938225 = 9412^2 + 3865^2 .

It is a cyclic number.

It is not a de Polignac number, because 103523969 - 2²⁰ = 102475393 is a prime.

It is a super-2 number, since 2×103523969² = 21434424315025922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103523909) 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, 201152 + ... + 201665.

It is an arithmetic number, because the mean of its divisors is an integer number (25981761).

Almost surely, 2^103523969 is an apocalyptic number.

It is an amenable number.

103523969 is a deficient number, since it is larger than the sum of its proper divisors (403075).

103523969 is an equidigital number, since it uses as much as digits as its factorization.

103523969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403074.

The product of its (nonzero) digits is 43740, while the sum is 38.

The square root of 103523969 is about 10174.6729185758. The cubic root of 103523969 is about 469.5483347669.

The spelling of 103523969 in words is "one hundred three million, five hundred twenty-three thousand, nine hundred sixty-nine".