20122130323 has 4 divisors (see below), whose sum is σ = 20125352520. Its totient is φ = 20118908128.

The previous prime is 20122130311. The next prime is 20122130383. The reversal of 20122130323 is 32303122102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20122130323 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 20122130323.

It is not an unprimeable number, because it can be changed into a prime (20122130383) 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, 1601713 + ... + 1614226.

It is an arithmetic number, because the mean of its divisors is an integer number (5031338130).

Almost surely, 2^20122130323 is an apocalyptic number.

20122130323 is a deficient number, since it is larger than the sum of its proper divisors (3222197).

20122130323 is an equidigital number, since it uses as much as digits as its factorization.

20122130323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3222196.

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

Adding to 20122130323 its reverse (32303122102), we get a palindrome (52425252425).

The spelling of 20122130323 in words is "twenty billion, one hundred twenty-two million, one hundred thirty thousand, three hundred twenty-three".