1201312030523 has 8 divisors (see below), whose sum is σ = 1310583143856. Its totient is φ = 1092051072000.

The previous prime is 1201312030519. The next prime is 1201312030547. The reversal of 1201312030523 is 3250302131021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1201312030523 - 2² = 1201312030519 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201312030223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2290286 + ... + 2765507.

It is an arithmetic number, because the mean of its divisors is an integer number (163822892982).

Almost surely, 2^{1201312030523} is an apocalyptic number.

1201312030523 is a deficient number, since it is larger than the sum of its proper divisors (109271113333).

1201312030523 is a wasteful number, since it uses less digits than its factorization.

1201312030523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5077405.

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 1201312030523 its reverse (3250302131021), we get a palindrome (4451614161544).

The spelling of 1201312030523 in words is "one trillion, two hundred one billion, three hundred twelve million, thirty thousand, five hundred twenty-three".