123010112231 has 4 divisors (see below), whose sum is σ = 123075789552. Its totient is φ = 122944434912.

The previous prime is 123010112209. The next prime is 123010112243. The reversal of 123010112231 is 132211010321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132211010321 = 13 ⋅10170077717.

It is a cyclic number.

It is not a de Polignac number, because 123010112231 - 2¹⁸ = 123009850087 is a prime.

It is a super-2 number, since 2×123010112231² (a number of 23 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 (123010102231) 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, 32835851 + ... + 32839596.

It is an arithmetic number, because the mean of its divisors is an integer number (30768947388).

Almost surely, 2^123010112231 is an apocalyptic number.

123010112231 is a deficient number, since it is larger than the sum of its proper divisors (65677321).

123010112231 is an equidigital number, since it uses as much as digits as its factorization.

123010112231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65677320.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 123010112231 its reverse (132211010321), we get a palindrome (255221122552).

The spelling of 123010112231 in words is "one hundred twenty-three billion, ten million, one hundred twelve thousand, two hundred thirty-one".