23021030112 has 48 divisors (see below), whose sum is σ = 60484974480. Its totient is φ = 7666721792.

The previous prime is 23021030107. The next prime is 23021030129. The reversal of 23021030112 is 21103012032.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×23021030112² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23021030091 and 23021030100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1653 + ... + 214580.

It is an arithmetic number, because the mean of its divisors is an integer number (1260103635).

Almost surely, 2^23021030112 is an apocalyptic number.

It is an amenable number.

23021030112 is an abundant number, since it is smaller than the sum of its proper divisors (37463944368).

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

23021030112 is a wasteful number, since it uses less digits than its factorization.

23021030112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217355 (or 217347 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 23021030112 its reverse (21103012032), we get a palindrome (44124042144).

The spelling of 23021030112 in words is "twenty-three billion, twenty-one million, thirty thousand, one hundred twelve".