1023264635533 has 8 divisors (see below), whose sum is σ = 1169553957440. Its totient is φ = 877002478560.

The previous prime is 1023264635513. The next prime is 1023264635539. The reversal of 1023264635533 is 3355364623201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1023264635533 - 2⁵ = 1023264635501 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1023264635533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023264635539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6710448 + ... + 6861241.

It is an arithmetic number, because the mean of its divisors is an integer number (146194244680).

Almost surely, 2^{1023264635533} is an apocalyptic number.

It is an amenable number.

1023264635533 is a deficient number, since it is larger than the sum of its proper divisors (146289321907).

1023264635533 is a wasteful number, since it uses less digits than its factorization.

1023264635533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13582467.

The product of its (nonzero) digits is 1166400, while the sum is 43.

The spelling of 1023264635533 in words is "one trillion, twenty-three billion, two hundred sixty-four million, six hundred thirty-five thousand, five hundred thirty-three".