100381423 has 4 divisors (see below), whose sum is σ = 100901728. Its totient is φ = 99861120.

The previous prime is 100381399. The next prime is 100381459. The reversal of 100381423 is 324183001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 324183001 = 1697 ⋅191033.

It is a cyclic number.

It is not a de Polignac number, because 100381423 - 2⁹ = 100380911 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100381394 and 100381403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100381483) 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, 259863 + ... + 260248.

It is an arithmetic number, because the mean of its divisors is an integer number (25225432).

Almost surely, 2^100381423 is an apocalyptic number.

100381423 is a deficient number, since it is larger than the sum of its proper divisors (520305).

100381423 is an equidigital number, since it uses as much as digits as its factorization.

100381423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520304.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 100381423 is about 10019.0529991611. The cubic root of 100381423 is about 464.7482708879.

The spelling of 100381423 in words is "one hundred million, three hundred eighty-one thousand, four hundred twenty-three".