103644623 has 4 divisors (see below), whose sum is σ = 103726320. Its totient is φ = 103562928.

The previous prime is 103644599. The next prime is 103644641. The reversal of 103644623 is 326446301.

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 103644623 - 2⁶ = 103644559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103644523) 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, 38915 + ... + 41492.

It is an arithmetic number, because the mean of its divisors is an integer number (25931580).

Almost surely, 2^103644623 is an apocalyptic number.

103644623 is a deficient number, since it is larger than the sum of its proper divisors (81697).

103644623 is an equidigital number, since it uses as much as digits as its factorization.

103644623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81696.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 103644623 is about 10180.6003261104. The cubic root of 103644623 is about 469.7306786579.

The spelling of 103644623 in words is "one hundred three million, six hundred forty-four thousand, six hundred twenty-three".