4123231121144 has 16 divisors (see below), whose sum is σ = 7731542055120. Its totient is φ = 2061486573120.

The previous prime is 4123231121033. The next prime is 4123231121167. The reversal of 4123231121144 is 4411211323214.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15987509 + ... + 16243364.

It is an arithmetic number, because the mean of its divisors is an integer number (483221378445).

Almost surely, 2^{4123231121144} is an apocalyptic number.

It is an amenable number.

4123231121144 is a deficient number, since it is larger than the sum of its proper divisors (3608310933976).

4123231121144 is a wasteful number, since it uses less digits than its factorization.

4123231121144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32246870 (or 32246866 counting only the distinct ones).

The product of its digits is 4608, while the sum is 29.

Adding to 4123231121144 its reverse (4411211323214), we get a palindrome (8534442444358).

The spelling of 4123231121144 in words is "four trillion, one hundred twenty-three billion, two hundred thirty-one million, one hundred twenty-one thousand, one hundred forty-four".