123301021003 has 4 divisors (see below), whose sum is σ = 124117584208. Its totient is φ = 122484457800.

The previous prime is 123301020991. The next prime is 123301021007. The reversal of 123301021003 is 300120103321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 300120103321 = 419803 ⋅714907.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123301021003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123301021007) 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 3 ways as a sum of consecutive naturals, for example, 408281376 + ... + 408281677.

It is an arithmetic number, because the mean of its divisors is an integer number (31029396052).

Almost surely, 2^123301021003 is an apocalyptic number.

123301021003 is a deficient number, since it is larger than the sum of its proper divisors (816563205).

123301021003 is an equidigital number, since it uses as much as digits as its factorization.

123301021003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816563204.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 123301021003 its reverse (300120103321), we get a palindrome (423421124324).

The spelling of 123301021003 in words is "one hundred twenty-three billion, three hundred one million, twenty-one thousand, three".