23030011220 has 24 divisors (see below), whose sum is σ = 48395697504. Its totient is φ = 9205780896.

The previous prime is 23030011181. The next prime is 23030011229. The reversal of 23030011220 is 2211003032.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 23030011195 and 23030011204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23030011229) 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, 358574 + ... + 417893.

It is an arithmetic number, because the mean of its divisors is an integer number (2016487396).

Almost surely, 2^23030011220 is an apocalyptic number.

23030011220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23030011220 is an abundant number, since it is smaller than the sum of its proper divisors (25365686284).

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

23030011220 is a wasteful number, since it uses less digits than its factorization.

23030011220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777959 (or 777957 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 23030011220 its reverse (2211003032), we get a palindrome (25241014252).

The spelling of 23030011220 in words is "twenty-three billion, thirty million, eleven thousand, two hundred twenty".