123200004 has 24 divisors (see below), whose sum is σ = 297380160. Its totient is φ = 39650464.

The previous prime is 123199997. The next prime is 123200017. The reversal of 123200004 is 400002321.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176664 + ... + 177359.

It is an arithmetic number, because the mean of its divisors is an integer number (12390840).

Almost surely, 2^123200004 is an apocalyptic number.

It is an amenable number.

123200004 is an abundant number, since it is smaller than the sum of its proper divisors (174180156).

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

123200004 is a wasteful number, since it uses less digits than its factorization.

123200004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354059 (or 354057 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 123200004 is about 11099.5497205968. The cubic root of 123200004 is about 497.5883923310.

Adding to 123200004 its reverse (400002321), we get a palindrome (523202325).

The spelling of 123200004 in words is "one hundred twenty-three million, two hundred thousand, four".