1023313220135 has 16 divisors (see below), whose sum is σ = 1254176980992. Its totient is φ = 801185220000.

The previous prime is 1023313220129. The next prime is 1023313220201. The reversal of 1023313220135 is 5310223133201.

It is not a de Polignac number, because 1023313220135 - 2⁴ = 1023313220119 is a prime.

It is a Duffinian number.

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, 4169690 + ... + 4408280.

It is an arithmetic number, because the mean of its divisors is an integer number (78386061312).

Almost surely, 2^{1023313220135} is an apocalyptic number.

1023313220135 is a deficient number, since it is larger than the sum of its proper divisors (230863760857).

1023313220135 is a wasteful number, since it uses less digits than its factorization.

1023313220135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256894.

The product of its (nonzero) digits is 3240, while the sum is 26.

Adding to 1023313220135 its reverse (5310223133201), we get a palindrome (6333536353336).

The spelling of 1023313220135 in words is "one trillion, twenty-three billion, three hundred thirteen million, two hundred twenty thousand, one hundred thirty-five".