10111232123 has 4 divisors (see below), whose sum is σ = 10111690248. Its totient is φ = 10110774000.

The previous prime is 10111232107. The next prime is 10111232143. The reversal of 10111232123 is 32123211101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32123211101 = 17 ⋅1889600653.

It is a cyclic number.

It is not a de Polignac number, because 10111232123 - 2⁴ = 10111232107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10111232143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194186 + ... + 240687.

It is an arithmetic number, because the mean of its divisors is an integer number (2527922562).

Almost surely, 2^10111232123 is an apocalyptic number.

10111232123 is a deficient number, since it is larger than the sum of its proper divisors (458125).

10111232123 is an equidigital number, since it uses as much as digits as its factorization.

10111232123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458124.

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

Adding to 10111232123 its reverse (32123211101), we get a palindrome (42234443224).

The spelling of 10111232123 in words is "ten billion, one hundred eleven million, two hundred thirty-two thousand, one hundred twenty-three".