123022311023 has 4 divisors (see below), whose sum is σ = 123023706288. Its totient is φ = 123020915760.

The previous prime is 123022311019. The next prime is 123022311047. The reversal of 123022311023 is 320113220321.

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 123022311023 - 2² = 123022311019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123022310986 and 123022311004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123022311323) 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, 555758 + ... + 744923.

It is an arithmetic number, because the mean of its divisors is an integer number (30755926572).

Almost surely, 2^123022311023 is an apocalyptic number.

123022311023 is a deficient number, since it is larger than the sum of its proper divisors (1395265).

123022311023 is an equidigital number, since it uses as much as digits as its factorization.

123022311023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1395264.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 123022311023 its reverse (320113220321), we get a palindrome (443135531344).

The spelling of 123022311023 in words is "one hundred twenty-three billion, twenty-two million, three hundred eleven thousand, twenty-three".