234440121430 has 32 divisors (see below), whose sum is σ = 437403234816. Its totient is φ = 90410938464.

The previous prime is 234440121403. The next prime is 234440121431. The reversal of 234440121430 is 34121044432.

It is a super-2 number, since 2×234440121430² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234440121431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3690964 + ... + 3753943.

It is an arithmetic number, because the mean of its divisors is an integer number (13668851088).

Almost surely, 2^234440121430 is an apocalyptic number.

234440121430 is a deficient number, since it is larger than the sum of its proper divisors (202963113386).

234440121430 is a wasteful number, since it uses less digits than its factorization.

234440121430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7445028.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 234440121430 its reverse (34121044432), we get a palindrome (268561165862).

The spelling of 234440121430 in words is "two hundred thirty-four billion, four hundred forty million, one hundred twenty-one thousand, four hundred thirty".