1202123130023 has 32 divisors (see below), whose sum is σ = 1285123504896. Its totient is φ = 1123105471488.

The previous prime is 1202123129993. The next prime is 1202123130041. The reversal of 1202123130023 is 3200313212021.

It is a cyclic number.

It is not a de Polignac number, because 1202123130023 - 2³⁶ = 1133403653287 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1202123129977 and 1202123130004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202123130323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14770640 + ... + 14851802.

It is an arithmetic number, because the mean of its divisors is an integer number (40160109528).

Almost surely, 2^{1202123130023} is an apocalyptic number.

1202123130023 is a deficient number, since it is larger than the sum of its proper divisors (83000374873).

1202123130023 is an equidigital number, since it uses as much as digits as its factorization.

1202123130023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81423.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1202123130023 its reverse (3200313212021), we get a palindrome (4402436342044).

The spelling of 1202123130023 in words is "one trillion, two hundred two billion, one hundred twenty-three million, one hundred thirty thousand, twenty-three".