101010232123 has 4 divisors (see below), whose sum is σ = 101071938240. Its totient is φ = 100948526008.

The previous prime is 101010232121. The next prime is 101010232157. The reversal of 101010232123 is 321232010101.

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 101010232123 - 2¹ = 101010232121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101010232097 and 101010232106.

It is not an unprimeable number, because it can be changed into a prime (101010232121) 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, 30850603 + ... + 30853876.

It is an arithmetic number, because the mean of its divisors is an integer number (25267984560).

Almost surely, 2^101010232123 is an apocalyptic number.

101010232123 is a deficient number, since it is larger than the sum of its proper divisors (61706117).

101010232123 is an equidigital number, since it uses as much as digits as its factorization.

101010232123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61706116.

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

Adding to 101010232123 its reverse (321232010101), we get a palindrome (422242242224).

The spelling of 101010232123 in words is "one hundred one billion, ten million, two hundred thirty-two thousand, one hundred twenty-three".