123444430002 has 32 divisors (see below), whose sum is σ = 281735040000. Its totient is φ = 40036030704.

The previous prime is 123444429961. The next prime is 123444430019. The reversal of 123444430002 is 200034444321.

It is a happy number.

123444430002 is a `hidden beast` number, since 12 + 344 + 4 + 4 + 300 + 0 + 2 = 666.

It is a super-3 number, since 3×123444430002³ (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30890002 + ... + 30893997.

It is an arithmetic number, because the mean of its divisors is an integer number (8804220000).

Almost surely, 2^123444430002 is an apocalyptic number.

123444430002 is an abundant number, since it is smaller than the sum of its proper divisors (158290609998).

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

123444430002 is a wasteful number, since it uses less digits than its factorization.

123444430002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61784047 (or 61784041 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 123444430002 its reverse (200034444321), we get a palindrome (323478874323).

The spelling of 123444430002 in words is "one hundred twenty-three billion, four hundred forty-four million, four hundred thirty thousand, two".