100454235023 has 4 divisors (see below), whose sum is σ = 100557690408. Its totient is φ = 100350779640.

The previous prime is 100454234977. The next prime is 100454235029. The reversal of 100454235023 is 320532454001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 320532454001 = 14447 ⋅22186783.

It is a cyclic number.

It is not a de Polignac number, because 100454235023 - 2¹² = 100454230927 is a prime.

It is a super-2 number, since 2×100454235023² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100454235029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51726236 + ... + 51728177.

It is an arithmetic number, because the mean of its divisors is an integer number (25139422602).

Almost surely, 2^100454235023 is an apocalyptic number.

100454235023 is a deficient number, since it is larger than the sum of its proper divisors (103455385).

100454235023 is an equidigital number, since it uses as much as digits as its factorization.

100454235023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103455384.

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 100454235023 its reverse (320532454001), we get a palindrome (420986689024).

The spelling of 100454235023 in words is "one hundred billion, four hundred fifty-four million, two hundred thirty-five thousand, twenty-three".