1023013120133 has 4 divisors (see below), whose sum is σ = 1023021720588. Its totient is φ = 1023004519680.

The previous prime is 1023013120127. The next prime is 1023013120159. The reversal of 1023013120133 is 3310213103201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 903018774529 + 119994345604 = 950273^2 + 346402^2 .

It is a cyclic number.

It is not a de Polignac number, because 1023013120133 - 2⁴ = 1023013120117 is a prime.

It is a super-3 number, since 3×1023013120133³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023013120433) 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, 4119266 + ... + 4360547.

It is an arithmetic number, because the mean of its divisors is an integer number (255755430147).

Almost surely, 2^{1023013120133} is an apocalyptic number.

It is an amenable number.

1023013120133 is a deficient number, since it is larger than the sum of its proper divisors (8600455).

1023013120133 is an equidigital number, since it uses as much as digits as its factorization.

1023013120133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8600454.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1023013120133 its reverse (3310213103201), we get a palindrome (4333226223334).

The spelling of 1023013120133 in words is "one trillion, twenty-three billion, thirteen million, one hundred twenty thousand, one hundred thirty-three".