1203023323231 has 2 divisors, whose sum is σ = 1203023323232. Its totient is φ = 1203023323230.

The previous prime is 1203023323213. The next prime is 1203023323273. The reversal of 1203023323231 is 1323233203021.

Together with previous prime (1203023323213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is an emirp because it is prime and its reverse (1323233203021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1203023323231 - 2¹⁵ = 1203023290463 is a prime.

It is a super-5 number, since 5×1203023323231⁵ (a number of 62 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 1203023323196 and 1203023323205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1203023323031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601511661615 + 601511661616.

It is an arithmetic number, because the mean of its divisors is an integer number (601511661616).

Almost surely, 2^{1203023323231} is an apocalyptic number.

1203023323231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1203023323231 is an equidigital number, since it uses as much as digits as its factorization.

1203023323231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 1203023323231 its reverse (1323233203021), we get a palindrome (2526256526252).

The spelling of 1203023323231 in words is "one trillion, two hundred three billion, twenty-three million, three hundred twenty-three thousand, two hundred thirty-one".