123443402504 has 16 divisors (see below), whose sum is σ = 231521467200. Its totient is φ = 61704344592.

The previous prime is 123443402501. The next prime is 123443402507. The reversal of 123443402504 is 405204344321.

It is an interprime number because it is at equal distance from previous prime (123443402501) and next prime (123443402507).

It is not an unprimeable number, because it can be changed into a prime (123443402501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2139332 + ... + 2196275.

It is an arithmetic number, because the mean of its divisors is an integer number (14470091700).

Almost surely, 2^123443402504 is an apocalyptic number.

It is an amenable number.

123443402504 is a deficient number, since it is larger than the sum of its proper divisors (108078064696).

123443402504 is a wasteful number, since it uses less digits than its factorization.

123443402504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4339172 (or 4339168 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 123443402504 its reverse (405204344321), we get a palindrome (528647746825).

The spelling of 123443402504 in words is "one hundred twenty-three billion, four hundred forty-three million, four hundred two thousand, five hundred four".