123021444010 has 16 divisors (see below), whose sum is σ = 234464399496. Its totient is φ = 46313955328.

The previous prime is 123021443939. The next prime is 123021444037. The reversal of 123021444010 is 10444120321.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 90416280249 + 32605163761 = 300693^2 + 180569^2 .

It is an unprimeable number.

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, 361827607 + ... + 361827946.

Almost surely, 2^123021444010 is an apocalyptic number.

123021444010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123021444010 is a deficient number, since it is larger than the sum of its proper divisors (111442955486).

123021444010 is a wasteful number, since it uses less digits than its factorization.

123021444010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723655577.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 123021444010 its reverse (10444120321), we get a palindrome (133465564331).

The spelling of 123021444010 in words is "one hundred twenty-three billion, twenty-one million, four hundred forty-four thousand, ten".