1203031300123 has 16 divisors (see below), whose sum is σ = 1263556039680. Its totient is φ = 1143201631264.

The previous prime is 1203031300103. The next prime is 1203031300199. The reversal of 1203031300123 is 3210031303021.

It is a cyclic number.

It is not a de Polignac number, because 1203031300123 - 2⁹ = 1203031299611 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 1203031300123.

It is not an unprimeable number, because it can be changed into a prime (1203031300103) 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, 5133690 + ... + 5362912.

It is an arithmetic number, because the mean of its divisors is an integer number (78972252480).

Almost surely, 2^{1203031300123} is an apocalyptic number.

1203031300123 is a deficient number, since it is larger than the sum of its proper divisors (60524739557).

1203031300123 is a wasteful number, since it uses less digits than its factorization.

1203031300123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230738.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 1203031300123 its reverse (3210031303021), we get a palindrome (4413062603144).

The spelling of 1203031300123 in words is "one trillion, two hundred three billion, thirty-one million, three hundred thousand, one hundred twenty-three".