123008004 has 48 divisors (see below), whose sum is σ = 364470400. Its totient is φ = 35144928.

The previous prime is 123008003. The next prime is 123008027. The reversal of 123008004 is 400800321.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (123008003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80599 + ... + 82110.

Almost surely, 2^123008004 is an apocalyptic number.

123008004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

123008004 is an abundant number, since it is smaller than the sum of its proper divisors (241462396).

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

123008004 is a wasteful number, since it uses less digits than its factorization.

123008004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162729 (or 162721 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 123008004 is about 11090.8973487270. The cubic root of 123008004 is about 497.3297704672.

Adding to 123008004 its reverse (400800321), we get a palindrome (523808325).

The spelling of 123008004 in words is "one hundred twenty-three million, eight thousand, four".