100323123121003 has 4 divisors (see below), whose sum is σ = 100643644281448. Its totient is φ = 100002601960560.

The previous prime is 100323123120989. The next prime is 100323123121009. The reversal of 100323123121003 is 300121321323001.

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 100323123121003 - 2⁵ = 100323123120971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100323123121009) 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, 160260579753 + ... + 160260580378.

It is an arithmetic number, because the mean of its divisors is an integer number (25160911070362).

Almost surely, 2^{100323123121003} is an apocalyptic number.

100323123121003 is a deficient number, since it is larger than the sum of its proper divisors (320521160445).

100323123121003 is an equidigital number, since it uses as much as digits as its factorization.

100323123121003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320521160444.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 100323123121003 its reverse (300121321323001), we get a palindrome (400444444444004).

The spelling of 100323123121003 in words is "one hundred trillion, three hundred twenty-three billion, one hundred twenty-three million, one hundred twenty-one thousand, three".