3121223103023 has 4 divisors (see below), whose sum is σ = 3121725640728. Its totient is φ = 3120720565320.

The previous prime is 3121223102993. The next prime is 3121223103127. The reversal of 3121223103023 is 3203013221213.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3121223103023 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3121223103023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3121223103923) 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, 251259536 + ... + 251271957.

It is an arithmetic number, because the mean of its divisors is an integer number (780431410182).

Almost surely, 2^{3121223103023} is an apocalyptic number.

3121223103023 is a deficient number, since it is larger than the sum of its proper divisors (502537705).

3121223103023 is an equidigital number, since it uses as much as digits as its factorization.

3121223103023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502537704.

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

Adding to 3121223103023 its reverse (3203013221213), we get a palindrome (6324236324236).

The spelling of 3121223103023 in words is "three trillion, one hundred twenty-one billion, two hundred twenty-three million, one hundred three thousand, twenty-three".