20230223011 has 4 divisors (see below), whose sum is σ = 20264687352. Its totient is φ = 20195758672.

The previous prime is 20230223003. The next prime is 20230223017. The reversal of 20230223011 is 11032203202.

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

It is a cyclic number.

It is not a de Polignac number, because 20230223011 - 2³ = 20230223003 is a prime.

It is a super-2 number, since 2×20230223011² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20230223017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17231290 + ... + 17232463.

It is an arithmetic number, because the mean of its divisors is an integer number (5066171838).

Almost surely, 2^20230223011 is an apocalyptic number.

20230223011 is a deficient number, since it is larger than the sum of its proper divisors (34464341).

20230223011 is an equidigital number, since it uses as much as digits as its factorization.

20230223011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34464340.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20230223011 its reverse (11032203202), we get a palindrome (31262426213).

The spelling of 20230223011 in words is "twenty billion, two hundred thirty million, two hundred twenty-three thousand, eleven".