23213030123 has 4 divisors (see below), whose sum is σ = 23218615680. Its totient is φ = 23207444568.

The previous prime is 23213030083. The next prime is 23213030131. The reversal of 23213030123 is 32103031232.

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 23213030123 - 2⁶ = 23213030059 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23213030095 and 23213030104.

It is not an unprimeable number, because it can be changed into a prime (23213030023) 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, 2786540 + ... + 2794857.

It is an arithmetic number, because the mean of its divisors is an integer number (5804653920).

Almost surely, 2^23213030123 is an apocalyptic number.

23213030123 is a deficient number, since it is larger than the sum of its proper divisors (5585557).

23213030123 is an equidigital number, since it uses as much as digits as its factorization.

23213030123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5585556.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 23213030123 its reverse (32103031232), we get a palindrome (55316061355).

The spelling of 23213030123 in words is "twenty-three billion, two hundred thirteen million, thirty thousand, one hundred twenty-three".