12023242134 has 24 divisors (see below), whose sum is σ = 25137446712. Its totient is φ = 3833496480.

The previous prime is 12023242117. The next prime is 12023242159. The reversal of 12023242134 is 43124232021.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1890847 + ... + 1897194.

It is an arithmetic number, because the mean of its divisors is an integer number (1047393613).

Almost surely, 2^12023242134 is an apocalyptic number.

12023242134 is an abundant number, since it is smaller than the sum of its proper divisors (13114204578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12023242134 is a wasteful number, since it uses less digits than its factorization.

12023242134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3788092 (or 3788069 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 12023242134 its reverse (43124232021), we get a palindrome (55147474155).

The spelling of 12023242134 in words is "twelve billion, twenty-three million, two hundred forty-two thousand, one hundred thirty-four".