123122220023 has 32 divisors (see below), whose sum is σ = 141463977984. Its totient is φ = 106067500000.

The previous prime is 123122220019. The next prime is 123122220029. The reversal of 123122220023 is 320022221321.

It is a happy number.

It is not a de Polignac number, because 123122220023 - 2² = 123122220019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123122219977 and 123122220004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123122220029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12123998 + ... + 12134148.

It is an arithmetic number, because the mean of its divisors is an integer number (4420749312).

Almost surely, 2^123122220023 is an apocalyptic number.

123122220023 is a deficient number, since it is larger than the sum of its proper divisors (18341757961).

123122220023 is a wasteful number, since it uses less digits than its factorization.

123122220023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10627.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 123122220023 its reverse (320022221321), we get a palindrome (443144441344).

The spelling of 123122220023 in words is "one hundred twenty-three billion, one hundred twenty-two million, two hundred twenty thousand, twenty-three".