4123123000 has 64 divisors (see below), whose sum is σ = 9743872320. Its totient is φ = 1632880000.

The previous prime is 4123122973. The next prime is 4123123003. The reversal of 4123123000 is 3213214.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4123123003) 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, 80589 + ... + 121411.

It is an arithmetic number, because the mean of its divisors is an integer number (152248005).

Almost surely, 2^4123123000 is an apocalyptic number.

4123123000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4123123000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4871936160).

4123123000 is an abundant number, since it is smaller than the sum of its proper divisors (5620749320).

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

4123123000 is a wasteful number, since it uses less digits than its factorization.

4123123000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40945 (or 40931 counting only the distinct ones).

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

The square root of 4123123000 is about 64211.5488054914. The cubic root of 4123123000 is about 1603.5238738729.

Adding to 4123123000 its reverse (3213214), we get a palindrome (4126336214).

The spelling of 4123123000 in words is "four billion, one hundred twenty-three million, one hundred twenty-three thousand".