1023140312533 has 4 divisors (see below), whose sum is σ = 1028497068288. Its totient is φ = 1017783556780.

The previous prime is 1023140312497. The next prime is 1023140312609. The reversal of 1023140312533 is 3352130413201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1023140312533 - 2⁹ = 1023140312021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023140312333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2678377591 + ... + 2678377972.

It is an arithmetic number, because the mean of its divisors is an integer number (257124267072).

Almost surely, 2^{1023140312533} is an apocalyptic number.

It is an amenable number.

1023140312533 is a deficient number, since it is larger than the sum of its proper divisors (5356755755).

1023140312533 is an equidigital number, since it uses as much as digits as its factorization.

1023140312533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5356755754.

The product of its (nonzero) digits is 6480, while the sum is 28.

Adding to 1023140312533 its reverse (3352130413201), we get a palindrome (4375270725734).

The spelling of 1023140312533 in words is "one trillion, twenty-three billion, one hundred forty million, three hundred twelve thousand, five hundred thirty-three".