103581623 has 4 divisors (see below), whose sum is σ = 103627200. Its totient is φ = 103536048.

The previous prime is 103581619. The next prime is 103581631. The reversal of 103581623 is 326185301.

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 103581623 - 2² = 103581619 is a prime.

It is a super-3 number, since 3×103581623³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103581613) 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, 19190 + ... + 23987.

It is an arithmetic number, because the mean of its divisors is an integer number (25906800).

Almost surely, 2^103581623 is an apocalyptic number.

103581623 is a deficient number, since it is larger than the sum of its proper divisors (45577).

103581623 is an equidigital number, since it uses as much as digits as its factorization.

103581623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45576.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 103581623 is about 10177.5057356899. The cubic root of 103581623 is about 469.6354846835.

The spelling of 103581623 in words is "one hundred three million, five hundred eighty-one thousand, six hundred twenty-three".