10123012231 has 2 divisors, whose sum is σ = 10123012232. Its totient is φ = 10123012230.

The previous prime is 10123012201. The next prime is 10123012267. The reversal of 10123012231 is 13221032101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10123012231 - 2¹³ = 10123004039 is a prime.

It is a super-2 number, since 2×10123012231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10123012201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5061506115 + 5061506116.

It is an arithmetic number, because the mean of its divisors is an integer number (5061506116).

Almost surely, 2^10123012231 is an apocalyptic number.

10123012231 is a deficient number, since it is larger than the sum of its proper divisors (1).

10123012231 is an equidigital number, since it uses as much as digits as its factorization.

10123012231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 10123012231 its reverse (13221032101), we get a palindrome (23344044332).

The spelling of 10123012231 in words is "ten billion, one hundred twenty-three million, twelve thousand, two hundred thirty-one".