1031423235852 has 12 divisors (see below), whose sum is σ = 2406654217016. Its totient is φ = 343807745280.

The previous prime is 1031423235851. The next prime is 1031423235853. The reversal of 1031423235852 is 2585323241301.

It is an interprime number because it is at equal distance from previous prime (1031423235851) and next prime (1031423235853).

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 1031423235852.

It is not an unprimeable number, because it can be changed into a prime (1031423235851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42975968149 + ... + 42975968172.

Almost surely, 2^{1031423235852} is an apocalyptic number.

1031423235852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1031423235852 is an abundant number, since it is smaller than the sum of its proper divisors (1375230981164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1031423235852 is a wasteful number, since it uses less digits than its factorization.

1031423235852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85951936328 (or 85951936326 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

The spelling of 1031423235852 in words is "one trillion, thirty-one billion, four hundred twenty-three million, two hundred thirty-five thousand, eight hundred fifty-two".