44120442123 has 16 divisors (see below), whose sum is σ = 65388929440. Its totient is φ = 29402237952.

The previous prime is 44120442103. The next prime is 44120442137. The reversal of 44120442123 is 32124402144.

44120442123 is a `hidden beast` number, since 441 + 2 + 0 + 4 + 4 + 212 + 3 = 666.

It is not a de Polignac number, because 44120442123 - 2²⁴ = 44103664907 is a prime.

It is a super-3 number, since 3×44120442123³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44120442103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 245086 + ... + 385107.

It is an arithmetic number, because the mean of its divisors is an integer number (4086808090).

Almost surely, 2^44120442123 is an apocalyptic number.

44120442123 is a deficient number, since it is larger than the sum of its proper divisors (21268487317).

44120442123 is a wasteful number, since it uses less digits than its factorization.

44120442123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632795 (or 632789 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 44120442123 its reverse (32124402144), we get a palindrome (76244844267).

The spelling of 44120442123 in words is "forty-four billion, one hundred twenty million, four hundred forty-two thousand, one hundred twenty-three".