100231101321023 has 4 divisors (see below), whose sum is σ = 100320833731560. Its totient is φ = 100141368910488.

The previous prime is 100231101320881. The next prime is 100231101321037. The reversal of 100231101321023 is 320123101132001.

It is a happy number.

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 100231101321023 - 2⁴⁴ = 82638915276607 is a prime.

It is a super-4 number, since 4×100231101321023⁴ (a number of 57 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 = 100231101320986 and 100231101321004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100231101321083) 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, 44866203593 + ... + 44866205826.

It is an arithmetic number, because the mean of its divisors is an integer number (25080208432890).

Almost surely, 2^{100231101321023} is an apocalyptic number.

100231101321023 is a deficient number, since it is larger than the sum of its proper divisors (89732410537).

100231101321023 is an equidigital number, since it uses as much as digits as its factorization.

100231101321023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89732410536.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 100231101321023 its reverse (320123101132001), we get a palindrome (420354202453024).

The spelling of 100231101321023 in words is "one hundred trillion, two hundred thirty-one billion, one hundred one million, three hundred twenty-one thousand, twenty-three".