1202230320123 has 16 divisors (see below), whose sum is σ = 1832441200640. Its totient is φ = 686812058496.

The previous prime is 1202230320103. The next prime is 1202230320163. The reversal of 1202230320123 is 3210230322021.

It is a happy number.

It is not a de Polignac number, because 1202230320123 - 2⁵ = 1202230320091 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

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 1202230320123.

It is not an unprimeable number, because it can be changed into a prime (1202230320103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7278715 + ... + 7442052.

It is an arithmetic number, because the mean of its divisors is an integer number (114527575040).

Almost surely, 2^{1202230320123} is an apocalyptic number.

1202230320123 is a deficient number, since it is larger than the sum of its proper divisors (630210880517).

1202230320123 is a wasteful number, since it uses less digits than its factorization.

1202230320123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14724666.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 1202230320123 its reverse (3210230322021), we get a palindrome (4412460642144).

The spelling of 1202230320123 in words is "one trillion, two hundred two billion, two hundred thirty million, three hundred twenty thousand, one hundred twenty-three".