123021101003 has 16 divisors (see below), whose sum is σ = 129034171392. Its totient is φ = 117150300000.

The previous prime is 123021100949. The next prime is 123021101009. The reversal of 123021101003 is 300101120321.

It is a cyclic number.

It is not a de Polignac number, because 123021101003 - 2²⁰ = 123020052427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123021101009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 389828 + ... + 630878.

It is an arithmetic number, because the mean of its divisors is an integer number (8064635712).

Almost surely, 2^123021101003 is an apocalyptic number.

123021101003 is a deficient number, since it is larger than the sum of its proper divisors (6013070389).

123021101003 is a wasteful number, since it uses less digits than its factorization.

123021101003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241346.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 123021101003 its reverse (300101120321), we get a palindrome (423122221324).

The spelling of 123021101003 in words is "one hundred twenty-three billion, twenty-one million, one hundred one thousand, three".