100423050 has 144 divisors (see below), whose sum is σ = 312292512. Its totient is φ = 21168000.

The previous prime is 100423021. The next prime is 100423051. The reversal of 100423050 is 50324001.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100423051) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 95025 + ... + 96075.

It is an arithmetic number, because the mean of its divisors is an integer number (2168698).

Almost surely, 2^100423050 is an apocalyptic number.

100423050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 100423050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156146256).

100423050 is an abundant number, since it is smaller than the sum of its proper divisors (211869462).

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

100423050 is a wasteful number, since it uses less digits than its factorization.

100423050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1093 (or 1081 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 100423050 is about 10021.1301757836. The cubic root of 100423050 is about 464.8125038974.

Adding to 100423050 its reverse (50324001), we get a palindrome (150747051).

The spelling of 100423050 in words is "one hundred million, four hundred twenty-three thousand, fifty".