103823621 has 8 divisors (see below), whose sum is σ = 114627744. Its totient is φ = 93247120.

The previous prime is 103823579. The next prime is 103823627. The reversal of 103823621 is 126328301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103823621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103823627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55946 + ... + 57771.

It is an arithmetic number, because the mean of its divisors is an integer number (14328468).

Almost surely, 2^103823621 is an apocalyptic number.

103823621 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

103823621 is a deficient number, since it is larger than the sum of its proper divisors (10804123).

103823621 is a wasteful number, since it uses less digits than its factorization.

103823621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113811.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 103823621 is about 10189.3876656058. The cubic root of 103823621 is about 470.0009370737. Note that the first 3 decimals are identical.

The spelling of 103823621 in words is "one hundred three million, eight hundred twenty-three thousand, six hundred twenty-one".