23020211144 has 32 divisors (see below), whose sum is σ = 49349032320. Its totient is φ = 9861803136.

The previous prime is 23020211143. The next prime is 23020211161. The reversal of 23020211144 is 44111202032.

It is a super-2 number, since 2×23020211144² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23020211141) 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, 58052 + ... + 222284.

It is an arithmetic number, because the mean of its divisors is an integer number (1542157260).

Almost surely, 2^23020211144 is an apocalyptic number.

It is an amenable number.

23020211144 is an abundant number, since it is smaller than the sum of its proper divisors (26328821176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23020211144 is a wasteful number, since it uses less digits than its factorization.

23020211144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166749 (or 166745 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 23020211144 its reverse (44111202032), we get a palindrome (67131413176).

The spelling of 23020211144 in words is "twenty-three billion, twenty million, two hundred eleven thousand, one hundred forty-four".