2134205023 has 4 divisors (see below), whose sum is σ = 2134358128. Its totient is φ = 2134051920.

The previous prime is 2134205009. The next prime is 2134205083. The reversal of 2134205023 is 3205024312.

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

It is a cyclic number.

It is not a de Polignac number, because 2134205023 - 2⁵ = 2134204991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2134204985 and 2134205003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2134205083) 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, 53286 + ... + 84307.

It is an arithmetic number, because the mean of its divisors is an integer number (533589532).

Almost surely, 2^2134205023 is an apocalyptic number.

2134205023 is a deficient number, since it is larger than the sum of its proper divisors (153105).

2134205023 is a wasteful number, since it uses less digits than its factorization.

2134205023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153104.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 2134205023 is about 46197.4568888808. The cubic root of 2134205023 is about 1287.4944904154.

Adding to 2134205023 its reverse (3205024312), we get a palindrome (5339229335).

The spelling of 2134205023 in words is "two billion, one hundred thirty-four million, two hundred five thousand, twenty-three".