103121203023 has 24 divisors (see below), whose sum is σ = 157783626000. Its totient is φ = 64675256064.

The previous prime is 103121203021. The next prime is 103121203061. The reversal of 103121203023 is 320302121301.

It is not a de Polignac number, because 103121203023 - 2¹ = 103121203021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 103121202987 and 103121203005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103121203021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 207328 + ... + 499226.

It is an arithmetic number, because the mean of its divisors is an integer number (6574317750).

Almost surely, 2^103121203023 is an apocalyptic number.

103121203023 is a deficient number, since it is larger than the sum of its proper divisors (54662422977).

103121203023 is a wasteful number, since it uses less digits than its factorization.

103121203023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294231 (or 294228 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 103121203023 its reverse (320302121301), we get a palindrome (423423324324).

The spelling of 103121203023 in words is "one hundred three billion, one hundred twenty-one million, two hundred three thousand, twenty-three".