10223343440 has 40 divisors (see below), whose sum is σ = 24349019688. Its totient is φ = 3989596160.

The previous prime is 10223343379. The next prime is 10223343443. The reversal of 10223343440 is 4434332201.

10223343440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 12645136 + 10210698304 = 3556^2 + 101048^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10223343443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1555157 + ... + 1561716.

Almost surely, 2^10223343440 is an apocalyptic number.

10223343440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10223343440 is an abundant number, since it is smaller than the sum of its proper divisors (14125676248).

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

10223343440 is a wasteful number, since it uses less digits than its factorization.

10223343440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3116927 (or 3116921 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 10223343440 its reverse (4434332201), we get a palindrome (14657675641).

The spelling of 10223343440 in words is "ten billion, two hundred twenty-three million, three hundred forty-three thousand, four hundred forty".