2135040023 has 8 divisors (see below), whose sum is σ = 2167894128. Its totient is φ = 2102215104.

The previous prime is 2135039993. The next prime is 2135040043. The reversal of 2135040023 is 3200405312.

It is a happy number.

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 2135040023 - 2²⁴ = 2118262807 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2135039977 and 2135040004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2135040043) 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, 174515 + ... + 186347.

It is an arithmetic number, because the mean of its divisors is an integer number (270986766).

Almost surely, 2^2135040023 is an apocalyptic number.

2135040023 is a deficient number, since it is larger than the sum of its proper divisors (32854105).

2135040023 is a wasteful number, since it uses less digits than its factorization.

2135040023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14593.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 2135040023 is about 46206.4932991025. The cubic root of 2135040023 is about 1287.6623777105.

Adding to 2135040023 its reverse (3200405312), we get a palindrome (5335445335).

The spelling of 2135040023 in words is "two billion, one hundred thirty-five million, forty thousand, twenty-three".