10123131009 has 8 divisors (see below), whose sum is σ = 13498189920. Its totient is φ = 6748413056.

The previous prime is 10123130977. The next prime is 10123131043. The reversal of 10123131009 is 90013132101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10123131009 - 2⁵ = 10123130977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10123131209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5232 + ... + 142385.

It is an arithmetic number, because the mean of its divisors is an integer number (1687273740).

Almost surely, 2^10123131009 is an apocalyptic number.

It is an amenable number.

10123131009 is a deficient number, since it is larger than the sum of its proper divisors (3375058911).

10123131009 is a wasteful number, since it uses less digits than its factorization.

10123131009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170479.

The product of its (nonzero) digits is 162, while the sum is 21.

The spelling of 10123131009 in words is "ten billion, one hundred twenty-three million, one hundred thirty-one thousand, nine".