123022230101 has 4 divisors (see below), whose sum is σ = 124579473600. Its totient is φ = 121464986604.

The previous prime is 123022230091. The next prime is 123022230103. The reversal of 123022230101 is 101032220321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 101032220321 = 24043 ⋅4202147.

It is a de Polignac number, because none of the positive numbers 2^k-123022230101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123022230101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123022230103) 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, 778621631 + ... + 778621788.

It is an arithmetic number, because the mean of its divisors is an integer number (31144868400).

Almost surely, 2^123022230101 is an apocalyptic number.

It is an amenable number.

123022230101 is a deficient number, since it is larger than the sum of its proper divisors (1557243499).

123022230101 is an equidigital number, since it uses as much as digits as its factorization.

123022230101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1557243498.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 123022230101 its reverse (101032220321), we get a palindrome (224054450422).

The spelling of 123022230101 in words is "one hundred twenty-three billion, twenty-two million, two hundred thirty thousand, one hundred one".