123002244424 has 8 divisors (see below), whose sum is σ = 230629208310. Its totient is φ = 61501122208.

The previous prime is 123002244401. The next prime is 123002244427. The reversal of 123002244424 is 424442200321.

It can be written as a sum of positive squares in only one way, i.e., 97168111524 + 25834132900 = 311718^2 + 160730^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 123002244392 and 123002244401.

It is not an unprimeable number, because it can be changed into a prime (123002244427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7687640269 + ... + 7687640284.

Almost surely, 2^123002244424 is an apocalyptic number.

It is an amenable number.

123002244424 is a deficient number, since it is larger than the sum of its proper divisors (107626963886).

123002244424 is a wasteful number, since it uses less digits than its factorization.

123002244424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15375280559 (or 15375280555 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 123002244424 its reverse (424442200321), we get a palindrome (547444444745).

The spelling of 123002244424 in words is "one hundred twenty-three billion, two million, two hundred forty-four thousand, four hundred twenty-four".