1203123133231 has 8 divisors (see below), whose sum is σ = 1206203771520. Its totient is φ = 1200044996568.

The previous prime is 1203123133229. The next prime is 1203123133241. The reversal of 1203123133231 is 1323313213021.

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 1203123133231 - 2¹ = 1203123133229 is a prime.

It is a super-2 number, since 2×1203123133231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1203123133196 and 1203123133205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1203123133241) 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, 339600 + ... + 1587946.

It is an arithmetic number, because the mean of its divisors is an integer number (150775471440).

Almost surely, 2^{1203123133231} is an apocalyptic number.

1203123133231 is a deficient number, since it is larger than the sum of its proper divisors (3080638289).

1203123133231 is a wasteful number, since it uses less digits than its factorization.

1203123133231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1250813.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 1203123133231 its reverse (1323313213021), we get a palindrome (2526436346252).

The spelling of 1203123133231 in words is "one trillion, two hundred three billion, one hundred twenty-three million, one hundred thirty-three thousand, two hundred thirty-one".