123100004 has 6 divisors (see below), whose sum is σ = 215425014. Its totient is φ = 61550000.

The previous prime is 123099997. The next prime is 123100051. The reversal of 123100004 is 400001321.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 79566400 + 43533604 = 8920^2 + 6598^2 .

It is a super-2 number, since 2×123100004² = 30307221969600032, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15387497 + ... + 15387504.

It is an arithmetic number, because the mean of its divisors is an integer number (35904169).

Almost surely, 2^123100004 is an apocalyptic number.

It is an amenable number.

123100004 is a deficient number, since it is larger than the sum of its proper divisors (92325010).

123100004 is a wasteful number, since it uses less digits than its factorization.

123100004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30775005 (or 30775003 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 123100004 is about 11095.0441188848. The cubic root of 123100004 is about 497.4537269993.

Adding to 123100004 its reverse (400001321), we get a palindrome (523101325).

The spelling of 123100004 in words is "one hundred twenty-three million, one hundred thousand, four".