100424123 has 2 divisors, whose sum is σ = 100424124. Its totient is φ = 100424122.

The previous prime is 100424087. The next prime is 100424131. The reversal of 100424123 is 321424001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100424123 - 2⁶ = 100424059 is a prime.

It is a super-3 number, since 3×100424123³ (a number of 25 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (100424143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50212061 + 50212062.

It is an arithmetic number, because the mean of its divisors is an integer number (50212062).

Almost surely, 2^100424123 is an apocalyptic number.

100424123 is a deficient number, since it is larger than the sum of its proper divisors (1).

100424123 is an equidigital number, since it uses as much as digits as its factorization.

100424123 is an evil number, because the sum of its binary digits is even.

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

The square root of 100424123 is about 10021.1837125162. The cubic root of 100424123 is about 464.8141593674.

Adding to 100424123 its reverse (321424001), we get a palindrome (421848124).

The spelling of 100424123 in words is "one hundred million, four hundred twenty-four thousand, one hundred twenty-three".