1303123010100 has 36 divisors (see below), whose sum is σ = 3770369243424. Its totient is φ = 347499469280.

The previous prime is 1303123010069. The next prime is 1303123010107. The reversal of 1303123010100 is 10103213031.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1303123010100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303123010107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2171871384 + ... + 2171871983.

It is an arithmetic number, because the mean of its divisors is an integer number (104732478984).

Almost surely, 2^{1303123010100} is an apocalyptic number.

1303123010100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1303123010100 is an abundant number, since it is smaller than the sum of its proper divisors (2467246233324).

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

1303123010100 is a wasteful number, since it uses less digits than its factorization.

1303123010100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4343743384 (or 4343743377 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 1303123010100 its reverse (10103213031), we get a palindrome (1313226223131).

The spelling of 1303123010100 in words is "one trillion, three hundred three billion, one hundred twenty-three million, ten thousand, one hundred".