123021303213203 has 4 divisors (see below), whose sum is σ = 123175658676000. Its totient is φ = 122866947750408.

The previous prime is 123021303213121. The next prime is 123021303213223. The reversal of 123021303213203 is 302312303120321.

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 123021303213203 - 2⁸ = 123021303212947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123021303213223) 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, 77177730203 + ... + 77177731796.

It is an arithmetic number, because the mean of its divisors is an integer number (30793914669000).

Almost surely, 2^{123021303213203} is an apocalyptic number.

123021303213203 is a deficient number, since it is larger than the sum of its proper divisors (154355462797).

123021303213203 is an equidigital number, since it uses as much as digits as its factorization.

123021303213203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154355462796.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 123021303213203 its reverse (302312303120321), we get a palindrome (425333606333524).

The spelling of 123021303213203 in words is "one hundred twenty-three trillion, twenty-one billion, three hundred three million, two hundred thirteen thousand, two hundred three".