21234303230124 has 12 divisors (see below), whose sum is σ = 49546707536984. Its totient is φ = 7078101076704.

The previous prime is 21234303230123. The next prime is 21234303230171. The reversal of 21234303230124 is 42103230343212.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 21234303230091 and 21234303230100.

It is not an unprimeable number, because it can be changed into a prime (21234303230123) 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, 884762634577 + ... + 884762634600.

Almost surely, 2^{21234303230124} is an apocalyptic number.

It is an amenable number.

21234303230124 is an abundant number, since it is smaller than the sum of its proper divisors (28312404306860).

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

21234303230124 is a wasteful number, since it uses less digits than its factorization.

21234303230124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1769525269184 (or 1769525269182 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 21234303230124 its reverse (42103230343212), we get a palindrome (63337533573336).

The spelling of 21234303230124 in words is "twenty-one trillion, two hundred thirty-four billion, three hundred three million, two hundred thirty thousand, one hundred twenty-four".