123234432004 has 12 divisors (see below), whose sum is σ = 215676650700. Its totient is φ = 61612531808.

The previous prime is 123234431911. The next prime is 123234432011. The reversal of 123234432004 is 400234432321.

It can be written as a sum of positive squares in 2 ways, for example, as 98346214404 + 24888217600 = 313602^2 + 157760^2 .

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, 1111519 + ... + 1217350.

It is an arithmetic number, because the mean of its divisors is an integer number (17973054225).

Almost surely, 2^123234432004 is an apocalyptic number.

It is an amenable number.

123234432004 is a deficient number, since it is larger than the sum of its proper divisors (92442218696).

123234432004 is a wasteful number, since it uses less digits than its factorization.

123234432004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2342102 (or 2342100 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 123234432004 its reverse (400234432321), we get a palindrome (523468864325).

The spelling of 123234432004 in words is "one hundred twenty-three billion, two hundred thirty-four million, four hundred thirty-two thousand, four".