1013123000 has 64 divisors (see below), whose sum is σ = 2425943520. Its totient is φ = 395808000.

The previous prime is 1013122987. The next prime is 1013123029. The reversal of 1013123000 is 3213101.

1013123000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31220 + ... + 54780.

Almost surely, 2^1013123000 is an apocalyptic number.

1013123000 is a gapful number since it is divisible by the number (10) 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 1013123000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1212971760).

1013123000 is an abundant number, since it is smaller than the sum of its proper divisors (1412820520).

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

1013123000 is a wasteful number, since it uses less digits than its factorization.

1013123000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23625 (or 23611 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 1013123000 is about 31829.5931485151. The cubic root of 1013123000 is about 1004.3553368356.

Adding to 1013123000 its reverse (3213101), we get a palindrome (1016336101).

The spelling of 1013123000 in words is "one billion, thirteen million, one hundred twenty-three thousand".