1023031433040 has 40 divisors (see below), whose sum is σ = 3171397443168. Its totient is φ = 272808382080.

The previous prime is 1023031432991. The next prime is 1023031433077. The reversal of 1023031433040 is 403341303201.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1023031433040.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2131315246 + ... + 2131315725.

Almost surely, 2^{1023031433040} is an apocalyptic number.

1023031433040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1023031433040 is an abundant number, since it is smaller than the sum of its proper divisors (2148366010128).

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

1023031433040 is a wasteful number, since it uses less digits than its factorization.

1023031433040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4262630987 (or 4262630981 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 1023031433040 its reverse (403341303201), we get a palindrome (1426372736241).

It can be divided in two parts, 1023031 and 433040, that added together give a triangular number (1456071 = T₁₇₀₆).

The spelling of 1023031433040 in words is "one trillion, twenty-three billion, thirty-one million, four hundred thirty-three thousand, forty".