1234523444442 has 32 divisors (see below), whose sum is σ = 2491055572608. Its totient is φ = 407840165376.

The previous prime is 1234523444411. The next prime is 1234523444477. The reversal of 1234523444442 is 2444443254321.

It is a junction number, because it is equal to n+sod(n) for n = 1234523444394 and 1234523444403.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12638763 + ... + 12736065.

It is an arithmetic number, because the mean of its divisors is an integer number (77845486644).

Almost surely, 2^{1234523444442} is an apocalyptic number.

1234523444442 is an abundant number, since it is smaller than the sum of its proper divisors (1256532128166).

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

1234523444442 is a wasteful number, since it uses less digits than its factorization.

1234523444442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116134.

The product of its digits is 1474560, while the sum is 42.

Adding to 1234523444442 its reverse (2444443254321), we get a palindrome (3678966698763).

The spelling of 1234523444442 in words is "one trillion, two hundred thirty-four billion, five hundred twenty-three million, four hundred forty-four thousand, four hundred forty-two".