2123522134 has 16 divisors (see below), whose sum is σ = 3357997056. Its totient is φ = 1005647400.

The previous prime is 2123522131. The next prime is 2123522153. The reversal of 2123522134 is 4312253212.

It is a junction number, because it is equal to n+sod(n) for n = 2123522099 and 2123522108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123522131) 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, 361452 + ... + 367279.

It is an arithmetic number, because the mean of its divisors is an integer number (209874816).

Almost surely, 2^2123522134 is an apocalyptic number.

2123522134 is a deficient number, since it is larger than the sum of its proper divisors (1234474922).

2123522134 is a wasteful number, since it uses less digits than its factorization.

2123522134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728811.

The product of its digits is 2880, while the sum is 25.

The square root of 2123522134 is about 46081.6897910656. The cubic root of 2123522134 is about 1285.3426862384.

Adding to 2123522134 its reverse (4312253212), we get a palindrome (6435775346).

The spelling of 2123522134 in words is "two billion, one hundred twenty-three million, five hundred twenty-two thousand, one hundred thirty-four".