234031453423540 has 96 divisors (see below), whose sum is σ = 510757649740800. Its totient is φ = 89978996889600.

The previous prime is 234031453423501. The next prime is 234031453423577. The reversal of 234031453423540 is 45324354130432.

It is a super-2 number, since 2×234031453423540² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1597269324 + ... + 1597415836.

It is an arithmetic number, because the mean of its divisors is an integer number (5320392184800).

Almost surely, 2^{234031453423540} is an apocalyptic number.

234031453423540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 234031453423540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (255378824870400).

234031453423540 is an abundant number, since it is smaller than the sum of its proper divisors (276726196317260).

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

234031453423540 is a wasteful number, since it uses less digits than its factorization.

234031453423540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163993 (or 163991 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 43.

The spelling of 234031453423540 in words is "two hundred thirty-four trillion, thirty-one billion, four hundred fifty-three million, four hundred twenty-three thousand, five hundred forty".