2000135023 has 4 divisors (see below), whose sum is σ = 2001171688. Its totient is φ = 1999098360.

The previous prime is 2000134999. The next prime is 2000135069. The reversal of 2000135023 is 3205310002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3205310002 = 2 ⋅1602655001.

It is a cyclic number.

It is not a de Polignac number, because 2000135023 - 2¹³ = 2000126831 is a prime.

It is a super-2 number, since 2×2000135023² = 8001080220462421058, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2000134988 and 2000135006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000135083) 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, 515433 + ... + 519298.

It is an arithmetic number, because the mean of its divisors is an integer number (500292922).

Almost surely, 2^2000135023 is an apocalyptic number.

2000135023 is a deficient number, since it is larger than the sum of its proper divisors (1036665).

2000135023 is a wasteful number, since it uses less digits than its factorization.

2000135023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036664.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 2000135023 is about 44722.8691275504. The cubic root of 2000135023 is about 1259.9494023102.

Adding to 2000135023 its reverse (3205310002), we get a palindrome (5205445025).

The spelling of 2000135023 in words is "two billion, one hundred thirty-five thousand, twenty-three".