1200023310203 has 4 divisors (see below), whose sum is σ = 1211032698480. Its totient is φ = 1189013921928.

The previous prime is 1200023310179. The next prime is 1200023310217. The reversal of 1200023310203 is 3020133200021.

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

It is a cyclic number.

It is not a de Polignac number, because 1200023310203 - 2¹² = 1200023306107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1200023310223) 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, 5504693975 + ... + 5504694192.

It is an arithmetic number, because the mean of its divisors is an integer number (302758174620).

Almost surely, 2^{1200023310203} is an apocalyptic number.

1200023310203 is a deficient number, since it is larger than the sum of its proper divisors (11009388277).

1200023310203 is a wasteful number, since it uses less digits than its factorization.

1200023310203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11009388276.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 1200023310203 its reverse (3020133200021), we get a palindrome (4220156510224).

The spelling of 1200023310203 in words is "one trillion, two hundred billion, twenty-three million, three hundred ten thousand, two hundred three".