20123103223 has 8 divisors (see below), whose sum is σ = 20270268800. Its totient is φ = 19976227128.

The previous prime is 20123103211. The next prime is 20123103239. The reversal of 20123103223 is 32230132102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20123103223 - 2²⁹ = 19586232311 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 20123103223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20123103263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68158 + ... + 211876.

It is an arithmetic number, because the mean of its divisors is an integer number (2533783600).

Almost surely, 2^20123103223 is an apocalyptic number.

20123103223 is a deficient number, since it is larger than the sum of its proper divisors (147165577).

20123103223 is a wasteful number, since it uses less digits than its factorization.

20123103223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144741.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 20123103223 its reverse (32230132102), we get a palindrome (52353235325).

The spelling of 20123103223 in words is "twenty billion, one hundred twenty-three million, one hundred three thousand, two hundred twenty-three".