100015423 has 4 divisors (see below), whose sum is σ = 100337328. Its totient is φ = 99693520.

The previous prime is 100015387. The next prime is 100015427. The reversal of 100015423 is 324510001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100015423 - 2⁹ = 100014911 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100015397 and 100015406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100015427) 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, 160486 + ... + 161107.

It is an arithmetic number, because the mean of its divisors is an integer number (25084332).

Almost surely, 2^100015423 is an apocalyptic number.

100015423 is a deficient number, since it is larger than the sum of its proper divisors (321905).

100015423 is an equidigital number, since it uses as much as digits as its factorization.

100015423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321904.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 100015423 is about 10000.7711202687. The cubic root of 100015423 is about 464.1827445428.

Adding to 100015423 its reverse (324510001), we get a palindrome (424525424).

The spelling of 100015423 in words is "one hundred million, fifteen thousand, four hundred twenty-three".