21234124423134 has 24 divisors (see below), whose sum is σ = 52579736667120. Its totient is φ = 6066892692288.

The previous prime is 21234124423093. The next prime is 21234124423307. The reversal of 21234124423134 is 43132442143212.

21234124423134 is a `hidden beast` number, since 2 + 1 + 2 + 3 + 412 + 4 + 4 + 231 + 3 + 4 = 666.

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, 84262398379 + ... + 84262398630.

It is an arithmetic number, because the mean of its divisors is an integer number (2190822361130).

Almost surely, 2^{21234124423134} is an apocalyptic number.

21234124423134 is an abundant number, since it is smaller than the sum of its proper divisors (31345612243986).

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

21234124423134 is a wasteful number, since it uses less digits than its factorization.

21234124423134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168524797024 (or 168524797021 counting only the distinct ones).

The product of its digits is 110592, while the sum is 36.

Adding to 21234124423134 its reverse (43132442143212), we get a palindrome (64366566566346).

The spelling of 21234124423134 in words is "twenty-one trillion, two hundred thirty-four billion, one hundred twenty-four million, four hundred twenty-three thousand, one hundred thirty-four".