23320143011 has 8 divisors (see below), whose sum is σ = 25665291504. Its totient is φ = 21012517120.

The previous prime is 23320142977. The next prime is 23320143013. The reversal of 23320143011 is 11034102332.

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 23320143011 - 2⁶ = 23320142947 is a prime.

It is a super-2 number, since 2×23320143011² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23320143013) 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, 9379346 + ... + 9381831.

It is an arithmetic number, because the mean of its divisors is an integer number (3208161438).

Almost surely, 2^23320143011 is an apocalyptic number.

23320143011 is a deficient number, since it is larger than the sum of its proper divisors (2345148493).

23320143011 is a wasteful number, since it uses less digits than its factorization.

23320143011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18761301.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 23320143011 its reverse (11034102332), we get a palindrome (34354245343).

The spelling of 23320143011 in words is "twenty-three billion, three hundred twenty million, one hundred forty-three thousand, eleven".