1201203130023 has 24 divisors (see below), whose sum is σ = 1932970559520. Its totient is φ = 713712202560.

The previous prime is 1201203130021. The next prime is 1201203130037. The reversal of 1201203130023 is 3200313021021.

It is not a de Polignac number, because 1201203130023 - 2¹ = 1201203130021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1201203129978 and 1201203130005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201203130021) 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, 177008563 + ... + 177015348.

It is an arithmetic number, because the mean of its divisors is an integer number (80540439980).

Almost surely, 2^{1201203130023} is an apocalyptic number.

1201203130023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1201203130023 is a deficient number, since it is larger than the sum of its proper divisors (731767429497).

1201203130023 is a wasteful number, since it uses less digits than its factorization.

1201203130023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354023959 (or 354023956 counting only the distinct ones).

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

Adding to 1201203130023 its reverse (3200313021021), we get a palindrome (4401516151044).

The spelling of 1201203130023 in words is "one trillion, two hundred one billion, two hundred three million, one hundred thirty thousand, twenty-three".