1234523445144 has 32 divisors (see below), whose sum is σ = 3366882123840. Its totient is φ = 374098013600.

The previous prime is 1234523445091. The next prime is 1234523445161. The reversal of 1234523445144 is 4415443254321.

It is a super-2 number, since 2×1234523445144² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1234523445096 and 1234523445105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2338112322 + ... + 2338112849.

It is an arithmetic number, because the mean of its divisors is an integer number (105215066370).

Almost surely, 2^{1234523445144} is an apocalyptic number.

It is an amenable number.

1234523445144 is an abundant number, since it is smaller than the sum of its proper divisors (2132358678696).

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

1234523445144 is a wasteful number, since it uses less digits than its factorization.

1234523445144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4676225191 (or 4676225187 counting only the distinct ones).

The product of its digits is 921600, while the sum is 42.

Adding to 1234523445144 its reverse (4415443254321), we get a palindrome (5649966699465).

The spelling of 1234523445144 in words is "one trillion, two hundred thirty-four billion, five hundred twenty-three million, four hundred forty-five thousand, one hundred forty-four".