44231121423 has 24 divisors (see below), whose sum is σ = 64572908400. Its totient is φ = 29173624704.

The previous prime is 44231121419. The next prime is 44231121463. The reversal of 44231121423 is 32412113244.

44231121423 is a `hidden beast` number, since 4 + 4 + 231 + 1 + 2 + 1 + 423 = 666.

It is not a de Polignac number, because 44231121423 - 2² = 44231121419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44231121463) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 247683 + ... + 387051.

It is an arithmetic number, because the mean of its divisors is an integer number (2690537850).

Almost surely, 2^44231121423 is an apocalyptic number.

44231121423 is a deficient number, since it is larger than the sum of its proper divisors (20341786977).

44231121423 is a wasteful number, since it uses less digits than its factorization.

44231121423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139751 (or 139748 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

Adding to 44231121423 its reverse (32412113244), we get a palindrome (76643234667).

The spelling of 44231121423 in words is "forty-four billion, two hundred thirty-one million, one hundred twenty-one thousand, four hundred twenty-three".