101013123303 has 16 divisors (see below), whose sum is σ = 149661388800. Its totient is φ = 67336539480.

The previous prime is 101013123251. The next prime is 101013123307. The reversal of 101013123303 is 303321310101.

It is a happy number.

101013123303 is a `hidden beast` number, since 10 + 10 + 1 + 312 + 330 + 3 = 666.

It is not a de Polignac number, because 101013123303 - 2¹⁰ = 101013122279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101013123307) 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, 194488 + ... + 489746.

It is an arithmetic number, because the mean of its divisors is an integer number (9353836800).

Almost surely, 2^101013123303 is an apocalyptic number.

101013123303 is a deficient number, since it is larger than the sum of its proper divisors (48648265497).

101013123303 is a wasteful number, since it uses less digits than its factorization.

101013123303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307939 (or 307933 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 101013123303 its reverse (303321310101), we get a palindrome (404334433404).

The spelling of 101013123303 in words is "one hundred one billion, thirteen million, one hundred twenty-three thousand, three hundred three".