20132223123 has 8 divisors (see below), whose sum is σ = 28421962128. Its totient is φ = 12631983104.

The previous prime is 20132223109. The next prime is 20132223179. The reversal of 20132223123 is 32132223102.

It is a happy number.

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 20132223123 - 2⁴ = 20132223107 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20132223123.

It is not an unprimeable number, because it can be changed into a prime (20132223193) 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, 197374686 + ... + 197374787.

It is an arithmetic number, because the mean of its divisors is an integer number (3552745266).

Almost surely, 2^20132223123 is an apocalyptic number.

20132223123 is a deficient number, since it is larger than the sum of its proper divisors (8289739005).

20132223123 is a wasteful number, since it uses less digits than its factorization.

20132223123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394749493.

The product of its (nonzero) digits is 864, while the sum is 21.

Subtracting from 20132223123 its sum of digits (21), we obtain a palindrome (20132223102).

Adding to 20132223123 its reverse (32132223102), we get a palindrome (52264446225).

The spelling of 20132223123 in words is "twenty billion, one hundred thirty-two million, two hundred twenty-three thousand, one hundred twenty-three".