100403453 has 8 divisors (see below), whose sum is σ = 102644640. Its totient is φ = 98184240.

The previous prime is 100403431. The next prime is 100403489. The reversal of 100403453 is 354304001.

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 100403453 - 2¹² = 100399357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100433453) 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, 3923 + ... + 14703.

It is an arithmetic number, because the mean of its divisors is an integer number (12830580).

Almost surely, 2^100403453 is an apocalyptic number.

It is an amenable number.

100403453 is a deficient number, since it is larger than the sum of its proper divisors (2241187).

100403453 is a wasteful number, since it uses less digits than its factorization.

100403453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10987.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 100403453 is about 10020.1523441513. The cubic root of 100403453 is about 464.7822667383.

Adding to 100403453 its reverse (354304001), we get a palindrome (454707454).

The spelling of 100403453 in words is "one hundred million, four hundred three thousand, four hundred fifty-three".