20430211323 has 8 divisors (see below), whose sum is σ = 27244224000. Its totient is φ = 13618169768.

The previous prime is 20430211313. The next prime is 20430211327. The reversal of 20430211323 is 32311203402.

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 20430211323 - 2⁶ = 20430211259 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20430211323.

It is not an unprimeable number, because it can be changed into a prime (20430211327) 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, 468423 + ... + 510176.

It is an arithmetic number, because the mean of its divisors is an integer number (3405528000).

Almost surely, 2^20430211323 is an apocalyptic number.

20430211323 is a deficient number, since it is larger than the sum of its proper divisors (6814012677).

20430211323 is an equidigital number, since it uses as much as digits as its factorization.

20430211323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985561.

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

Adding to 20430211323 its reverse (32311203402), we get a palindrome (52741414725).

The spelling of 20430211323 in words is "twenty billion, four hundred thirty million, two hundred eleven thousand, three hundred twenty-three".