1023231450432 has 112 divisors (see below), whose sum is σ = 2746859469440. Its totient is φ = 336101695488.

The previous prime is 1023231450377. The next prime is 1023231450469. The reversal of 1023231450432 is 2340541323201.

It is a self number, because there is not a number n which added to its sum of digits gives 1023231450432.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15791733 + ... + 15856395.

Almost surely, 2^{1023231450432} is an apocalyptic number.

1023231450432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1023231450432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1373429734720).

1023231450432 is an abundant number, since it is smaller than the sum of its proper divisors (1723628019008).

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

1023231450432 is a wasteful number, since it uses less digits than its factorization.

1023231450432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65880 (or 65870 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 1023231450432 its reverse (2340541323201), we get a palindrome (3363772773633).

The spelling of 1023231450432 in words is "one trillion, twenty-three billion, two hundred thirty-one million, four hundred fifty thousand, four hundred thirty-two".