1023311542132 has 72 divisors (see below), whose sum is σ = 2075734916640. Its totient is φ = 437682685440.

The previous prime is 1023311542073. The next prime is 1023311542153. The reversal of 1023311542132 is 2312451133201.

It is a super-2 number, since 2×1023311542132² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1023311542132.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 110230363 + ... + 110239645.

It is an arithmetic number, because the mean of its divisors is an integer number (28829651620).

Almost surely, 2^{1023311542132} is an apocalyptic number.

It is an amenable number.

1023311542132 is an abundant number, since it is smaller than the sum of its proper divisors (1052423374508).

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

1023311542132 is a wasteful number, since it uses less digits than its factorization.

1023311542132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18001 (or 17982 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 1023311542132 its reverse (2312451133201), we get a palindrome (3335762675333).

The spelling of 1023311542132 in words is "one trillion, twenty-three billion, three hundred eleven million, five hundred forty-two thousand, one hundred thirty-two".