10123030231 has 4 divisors (see below), whose sum is σ = 10261701952. Its totient is φ = 9984358512.

The previous prime is 10123030223. The next prime is 10123030237. The reversal of 10123030231 is 13203032101.

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 10123030231 - 2³ = 10123030223 is a prime.

It is a super-2 number, since 2×10123030231² (a number of 21 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 (10123030237) 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 3 ways as a sum of consecutive naturals, for example, 69335751 + ... + 69335896.

It is an arithmetic number, because the mean of its divisors is an integer number (2565425488).

Almost surely, 2^10123030231 is an apocalyptic number.

10123030231 is a deficient number, since it is larger than the sum of its proper divisors (138671721).

10123030231 is an equidigital number, since it uses as much as digits as its factorization.

10123030231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138671720.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 10123030231 its reverse (13203032101), we get a palindrome (23326062332).

The spelling of 10123030231 in words is "ten billion, one hundred twenty-three million, thirty thousand, two hundred thirty-one".