1023453435432 has 16 divisors (see below), whose sum is σ = 2558633588640. Its totient is φ = 341151145136.

The previous prime is 1023453435427. The next prime is 1023453435469. The reversal of 1023453435432 is 2345343543201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21321946548 + ... + 21321946595.

It is an arithmetic number, because the mean of its divisors is an integer number (159914599290).

Almost surely, 2^{1023453435432} is an apocalyptic number.

1023453435432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1023453435432 is an abundant number, since it is smaller than the sum of its proper divisors (1535180153208).

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

1023453435432 is a wasteful number, since it uses less digits than its factorization.

1023453435432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42643893152 (or 42643893148 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 39.

Adding to 1023453435432 its reverse (2345343543201), we get a palindrome (3368796978633).

The spelling of 1023453435432 in words is "one trillion, twenty-three billion, four hundred fifty-three million, four hundred thirty-five thousand, four hundred thirty-two".