10123031120231 has 4 divisors (see below), whose sum is σ = 10157580714792. Its totient is φ = 10088481525672.

The previous prime is 10123031120227. The next prime is 10123031120233. The reversal of 10123031120231 is 13202113032101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10123031120231 - 2² = 10123031120227 is a prime.

It is a super-2 number, since 2×10123031120231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10123031120233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17274796841 + ... + 17274797426.

It is an arithmetic number, because the mean of its divisors is an integer number (2539395178698).

Almost surely, 2^{10123031120231} is an apocalyptic number.

10123031120231 is a deficient number, since it is larger than the sum of its proper divisors (34549594561).

10123031120231 is an equidigital number, since it uses as much as digits as its factorization.

10123031120231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34549594560.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 10123031120231 its reverse (13202113032101), we get a palindrome (23325144152332).

The spelling of 10123031120231 in words is "ten trillion, one hundred twenty-three billion, thirty-one million, one hundred twenty thousand, two hundred thirty-one".