1031403798923 has 2 divisors, whose sum is σ = 1031403798924. Its totient is φ = 1031403798922.

The previous prime is 1031403798877. The next prime is 1031403798973. The reversal of 1031403798923 is 3298973041301.

It is an a-pointer prime, because the next prime (1031403798973) can be obtained adding 1031403798923 to its sum of digits (50).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1031403798923 - 2¹⁶ = 1031403733387 is a prime.

It is not a weakly prime, because it can be changed into another prime (1031403798973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515701899461 + 515701899462.

It is an arithmetic number, because the mean of its divisors is an integer number (515701899462).

Almost surely, 2^{1031403798923} is an apocalyptic number.

1031403798923 is a deficient number, since it is larger than the sum of its proper divisors (1).

1031403798923 is an equidigital number, since it uses as much as digits as its factorization.

1031403798923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 979776, while the sum is 50.

The spelling of 1031403798923 in words is "one trillion, thirty-one billion, four hundred three million, seven hundred ninety-eight thousand, nine hundred twenty-three".