10123031020009 has 2 divisors, whose sum is σ = 10123031020010. Its totient is φ = 10123031020008.

The previous prime is 10123031019979. The next prime is 10123031020043. The reversal of 10123031020009 is 90002013032101.

10123031020009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9817393425984 + 305637594025 = 3133272^2 + 552845^2 .

It is a cyclic number.

It is not a de Polignac number, because 10123031020009 - 2¹³ = 10123031011817 is a prime.

It is not a weakly prime, because it can be changed into another prime (10123031020079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5061515510004 + 5061515510005.

It is an arithmetic number, because the mean of its divisors is an integer number (5061515510005).

Almost surely, 2^{10123031020009} is an apocalyptic number.

It is an amenable number.

10123031020009 is a deficient number, since it is larger than the sum of its proper divisors (1).

10123031020009 is an equidigital number, since it uses as much as digits as its factorization.

10123031020009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 22.

The spelling of 10123031020009 in words is "ten trillion, one hundred twenty-three billion, thirty-one million, twenty thousand, nine".