10023243444 has 18 divisors (see below), whose sum is σ = 25336532130. Its totient is φ = 3341081136.

The previous prime is 10023243437. The next prime is 10023243449. The reversal of 10023243444 is 44434232001.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 9421031844 + 602211600 = 97062^2 + 24540^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×10023243444² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10023243449) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 139211679 + ... + 139211750.

Almost surely, 2^10023243444 is an apocalyptic number.

It is an amenable number.

10023243444 is an abundant number, since it is smaller than the sum of its proper divisors (15313288686).

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

10023243444 is a wasteful number, since it uses less digits than its factorization.

10023243444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278423439 (or 278423434 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 10023243444 its reverse (44434232001), we get a palindrome (54457475445).

The spelling of 10023243444 in words is "ten billion, twenty-three million, two hundred forty-three thousand, four hundred forty-four".