10023121444 has 12 divisors (see below), whose sum is σ = 20046242944. Its totient is φ = 4295623464.

The previous prime is 10023121439. The next prime is 10023121481. The reversal of 10023121444 is 44412132001.

It is a happy number.

10023121444 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178984284 + ... + 178984339.

Almost surely, 2^10023121444 is an apocalyptic number.

10023121444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

10023121444 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

10023121444 is a wasteful number, since it uses less digits than its factorization.

10023121444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357968634 (or 357968632 counting only the distinct ones).

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

Adding to 10023121444 its reverse (44412132001), we get a palindrome (54435253445).

The spelling of 10023121444 in words is "ten billion, twenty-three million, one hundred twenty-one thousand, four hundred forty-four".