100203203112323 has 4 divisors (see below), whose sum is σ = 100220748767328. Its totient is φ = 100185657457320.

The previous prime is 100203203112317. The next prime is 100203203112329. The reversal of 100203203112323 is 323211302302001.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (100203203112317) and next prime (100203203112329).

It is a cyclic number.

It is not a de Polignac number, because 100203203112323 - 2¹² = 100203203108227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100203203112329) 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, 8772818936 + ... + 8772830357.

It is an arithmetic number, because the mean of its divisors is an integer number (25055187191832).

Almost surely, 2^{100203203112323} is an apocalyptic number.

100203203112323 is a deficient number, since it is larger than the sum of its proper divisors (17545655005).

100203203112323 is an equidigital number, since it uses as much as digits as its factorization.

100203203112323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17545655004.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 100203203112323 its reverse (323211302302001), we get a palindrome (423414505414324).

The spelling of 100203203112323 in words is "one hundred trillion, two hundred three billion, two hundred three million, one hundred twelve thousand, three hundred twenty-three".