123103001010 has 128 divisors (see below), whose sum is σ = 325396051200. Its totient is φ = 29558430720.

The previous prime is 123103000997. The next prime is 123103001033. The reversal of 123103001010 is 10100301321.

It is a super-2 number, since 2×123103001010² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14883156 + ... + 14891424.

It is an arithmetic number, because the mean of its divisors is an integer number (2542156650).

Almost surely, 2^123103001010 is an apocalyptic number.

123103001010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 123103001010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162698025600).

123103001010 is an abundant number, since it is smaller than the sum of its proper divisors (202293050190).

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

123103001010 is a wasteful number, since it uses less digits than its factorization.

123103001010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8716.

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 123103001010 its reverse (10100301321), we get a palindrome (133203302331).

The spelling of 123103001010 in words is "one hundred twenty-three billion, one hundred three million, one thousand, ten".