123244004 has 24 divisors (see below), whose sum is σ = 233089080. Its totient is φ = 56680704.

The previous prime is 123243947. The next prime is 123244007. The reversal of 123244004 is 400442321.

It can be written as a sum of positive squares in 4 ways, for example, as 2244004 + 121000000 = 1498^2 + 11000^2 .

It is not an unprimeable number, because it can be changed into a prime (123244007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11192 + ... + 19280.

It is an arithmetic number, because the mean of its divisors is an integer number (9712045).

Almost surely, 2^123244004 is an apocalyptic number.

It is an amenable number.

123244004 is a deficient number, since it is larger than the sum of its proper divisors (109845076).

123244004 is a wasteful number, since it uses less digits than its factorization.

123244004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8399 (or 8397 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 123244004 is about 11101.5316060443. The cubic root of 123244004 is about 497.6476219918.

Adding to 123244004 its reverse (400442321), we get a palindrome (523686325).

The spelling of 123244004 in words is "one hundred twenty-three million, two hundred forty-four thousand, four".