103723998 has 64 divisors (see below), whose sum is σ = 246005760. Its totient is φ = 28540512.

The previous prime is 103723967. The next prime is 103723999. The reversal of 103723998 is 899327301.

It is a super-2 number, since 2×103723998² = 21517335522208008, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103723999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 142311 + ... + 143037.

It is an arithmetic number, because the mean of its divisors is an integer number (3843840).

Almost surely, 2^103723998 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103723998, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123002880).

103723998 is an abundant number, since it is smaller than the sum of its proper divisors (142281762).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

103723998 is a wasteful number, since it uses less digits than its factorization.

103723998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861.

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 103723998 is about 10184.4979257693. The cubic root of 103723998 is about 469.8505606082.

The spelling of 103723998 in words is "one hundred three million, seven hundred twenty-three thousand, nine hundred ninety-eight".