100123424 has 24 divisors (see below), whose sum is σ = 198869580. Its totient is φ = 49616896.

The previous prime is 100123423. The next prime is 100123433. The reversal of 100123424 is 424321001.

It can be written as a sum of positive squares in 2 ways, for example, as 70224400 + 29899024 = 8380^2 + 5468^2 .

It is not an unprimeable number, because it can be changed into a prime (100123423) 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, 10229 + ... + 17460.

Almost surely, 2^100123424 is an apocalyptic number.

It is an amenable number.

100123424 is a deficient number, since it is larger than the sum of its proper divisors (98746156).

100123424 is a wasteful number, since it uses less digits than its factorization.

100123424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27812 (or 27804 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 100123424 is about 10006.1692969887. The cubic root of 100123424 is about 464.3497660045.

Adding to 100123424 its reverse (424321001), we get a palindrome (524444425).

The spelling of 100123424 in words is "one hundred million, one hundred twenty-three thousand, four hundred twenty-four".