123444040024 has 16 divisors (see below), whose sum is σ = 231471088200. Its totient is φ = 61718416512.

The previous prime is 123444040009. The next prime is 123444040063. The reversal of 123444040024 is 420040444321.

It is a super-4 number, since 4×123444040024⁴ (a number of 45 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123444039974 and 123444040001.

It is a congruent 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, 301969 + ... + 581440.

Almost surely, 2^123444040024 is an apocalyptic number.

It is an amenable number.

123444040024 is a deficient number, since it is larger than the sum of its proper divisors (108027048176).

123444040024 is a wasteful number, since it uses less digits than its factorization.

123444040024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900882 (or 900878 counting only the distinct ones).

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

Adding to 123444040024 its reverse (420040444321), we get a palindrome (543484484345).

The spelling of 123444040024 in words is "one hundred twenty-three billion, four hundred forty-four million, forty thousand, twenty-four".