23330111420 has 48 divisors (see below), whose sum is σ = 61082477568. Its totient is φ = 7271722560.

The previous prime is 23330111417. The next prime is 23330111443. The reversal of 23330111420 is 2411103332.

It is a super-2 number, since 2×23330111420² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 23330111392 and 23330111401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7573172 + ... + 7576251.

It is an arithmetic number, because the mean of its divisors is an integer number (1272551616).

Almost surely, 2^23330111420 is an apocalyptic number.

23330111420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23330111420 is an abundant number, since it is smaller than the sum of its proper divisors (37752366148).

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

23330111420 is a wasteful number, since it uses less digits than its factorization.

23330111420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15149450 (or 15149448 counting only the distinct ones).

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

Adding to 23330111420 its reverse (2411103332), we get a palindrome (25741214752).

The spelling of 23330111420 in words is "twenty-three billion, three hundred thirty million, one hundred eleven thousand, four hundred twenty".