123010004 has 24 divisors (see below), whose sum is σ = 237484968. Its totient is φ = 55388160.

The previous prime is 123009989. The next prime is 123010007. The reversal of 123010004 is 400010321.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5244100 + 117765904 = 2290^2 + 10852^2 .

It is a super-2 number, since 2×123010004² = 30262922168160032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123010007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26717 + ... + 30980.

It is an arithmetic number, because the mean of its divisors is an integer number (9895207).

Almost surely, 2^123010004 is an apocalyptic number.

It is an amenable number.

123010004 is a deficient number, since it is larger than the sum of its proper divisors (114474964).

123010004 is a wasteful number, since it uses less digits than its factorization.

123010004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57755 (or 57753 counting only the distinct ones).

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

The square root of 123010004 is about 11090.9875123904. The cubic root of 123010004 is about 497.3324658316.

Adding to 123010004 its reverse (400010321), we get a palindrome (523020325).

The spelling of 123010004 in words is "one hundred twenty-three million, ten thousand, four".