100134023 has 4 divisors (see below), whose sum is σ = 109237128. Its totient is φ = 91030920.

The previous prime is 100134011. The next prime is 100134031. The reversal of 100134023 is 320431001.

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 100134023 - 2⁶ = 100133959 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100133989 and 100134007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100134053) 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, 4551536 + ... + 4551557.

It is an arithmetic number, because the mean of its divisors is an integer number (27309282).

Almost surely, 2^100134023 is an apocalyptic number.

100134023 is a deficient number, since it is larger than the sum of its proper divisors (9103105).

100134023 is an equidigital number, since it uses as much as digits as its factorization.

100134023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9103104.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 100134023 is about 10006.6989062328. The cubic root of 100134023 is about 464.3661506803.

Adding to 100134023 its reverse (320431001), we get a palindrome (420565024).

The spelling of 100134023 in words is "one hundred million, one hundred thirty-four thousand, twenty-three".