1231030203323 has 2 divisors, whose sum is σ = 1231030203324. Its totient is φ = 1231030203322.

The previous prime is 1231030203317. The next prime is 1231030203329. The reversal of 1231030203323 is 3233020301321.

It is a balanced prime because it is at equal distance from previous prime (1231030203317) and next prime (1231030203329).

It is a cyclic number.

It is not a de Polignac number, because 1231030203323 - 2¹⁸ = 1231029941179 is a prime.

It is a super-2 number, since 2×1231030203323² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1231030203329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615515101661 + 615515101662.

It is an arithmetic number, because the mean of its divisors is an integer number (615515101662).

Almost surely, 2^{1231030203323} is an apocalyptic number.

1231030203323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1231030203323 is an equidigital number, since it uses as much as digits as its factorization.

1231030203323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 1231030203323 its reverse (3233020301321), we get a palindrome (4464050504644).

The spelling of 1231030203323 in words is "one trillion, two hundred thirty-one billion, thirty million, two hundred three thousand, three hundred twenty-three".