20323123223011 has 8 divisors (see below), whose sum is σ = 24448870042880. Its totient is φ = 16502987278728.

The previous prime is 20323123222991. The next prime is 20323123223027. The reversal of 20323123223011 is 11032232132302.

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 20323123223011 - 2¹⁵ = 20323123190243 is a prime.

It is a super-2 number, since 2×20323123223011² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20323123283011) 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, 76402718751 + ... + 76402719016.

It is an arithmetic number, because the mean of its divisors is an integer number (3056108755360).

Almost surely, 2^{20323123223011} is an apocalyptic number.

20323123223011 is a deficient number, since it is larger than the sum of its proper divisors (4125746819869).

20323123223011 is a wasteful number, since it uses less digits than its factorization.

20323123223011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152805437793.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 20323123223011 its reverse (11032232132302), we get a palindrome (31355355355313).

The spelling of 20323123223011 in words is "twenty trillion, three hundred twenty-three billion, one hundred twenty-three million, two hundred twenty-three thousand, eleven".