4444121023 has 16 divisors (see below), whose sum is σ = 4648011040. Its totient is φ = 4244918400.

The previous prime is 4444120997. The next prime is 4444121069. The reversal of 4444121023 is 3201214444.

It is a cyclic number.

It is not a de Polignac number, because 4444121023 - 2⁵ = 4444120991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4444721023) 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, 1395493 + ... + 1398673.

It is an arithmetic number, because the mean of its divisors is an integer number (290500690).

Almost surely, 2^4444121023 is an apocalyptic number.

4444121023 is a deficient number, since it is larger than the sum of its proper divisors (203890017).

4444121023 is a wasteful number, since it uses less digits than its factorization.

4444121023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3898.

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 4444121023 is about 66664.2409617030. The cubic root of 4444121023 is about 1644.1015006260.

Adding to 4444121023 its reverse (3201214444), we get a palindrome (7645335467).

The spelling of 4444121023 in words is "four billion, four hundred forty-four million, one hundred twenty-one thousand, twenty-three".