23111303424 has 72 divisors (see below), whose sum is σ = 67101592992. Its totient is φ = 7003422720.

The previous prime is 23111303419. The next prime is 23111303441. The reversal of 23111303424 is 42430311132.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 23111303394 and 23111303403.

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, 1359409 + ... + 1376304.

Almost surely, 2^23111303424 is an apocalyptic number.

23111303424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

23111303424 is an abundant number, since it is smaller than the sum of its proper divisors (43990289568).

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

23111303424 is a wasteful number, since it uses less digits than its factorization.

23111303424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2735743 (or 2735729 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 23111303424 its reverse (42430311132), we get a palindrome (65541614556).

The spelling of 23111303424 in words is "twenty-three billion, one hundred eleven million, three hundred three thousand, four hundred twenty-four".