100402423 has 8 divisors (see below), whose sum is σ = 112490640. Its totient is φ = 88807680.

The previous prime is 100402417. The next prime is 100402427. The reversal of 100402423 is 324204001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100402423 - 2⁹ = 100401911 is a prime.

It is a super-4 number, since 4×100402423⁴ (a number of 33 digits) contains 4444 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100402397 and 100402406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100402427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122938 + ... + 123751.

It is an arithmetic number, because the mean of its divisors is an integer number (14061330).

Almost surely, 2^100402423 is an apocalyptic number.

100402423 is a deficient number, since it is larger than the sum of its proper divisors (12088217).

100402423 is a wasteful number, since it uses less digits than its factorization.

100402423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246737.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 100402423 is about 10020.1009475953. The cubic root of 100402423 is about 464.7806773927.

Adding to 100402423 its reverse (324204001), we get a palindrome (424606424).

The spelling of 100402423 in words is "one hundred million, four hundred two thousand, four hundred twenty-three".