1230123004 has 48 divisors (see below), whose sum is σ = 2518750080. Its totient is φ = 519704640.

The previous prime is 1230122989. The next prime is 1230123019. The reversal of 1230123004 is 4003210321.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1230122989) and next prime (1230123019).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 30427 + ... + 58189.

It is an arithmetic number, because the mean of its divisors is an integer number (52473960).

Almost surely, 2^1230123004 is an apocalyptic number.

It is an amenable number.

1230123004 is an abundant number, since it is smaller than the sum of its proper divisors (1288627076).

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

1230123004 is a wasteful number, since it uses less digits than its factorization.

1230123004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27850 (or 27848 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1230123004 is about 35073.1094144788. The cubic root of 1230123004 is about 1071.4769843707.

Adding to 1230123004 its reverse (4003210321), we get a palindrome (5233333325).

The spelling of 1230123004 in words is "one billion, two hundred thirty million, one hundred twenty-three thousand, four".