23111453424 has 40 divisors (see below), whose sum is σ = 59808133840. Its totient is φ = 7690457088.

The previous prime is 23111453383. The next prime is 23111453473. The reversal of 23111453424 is 42435411132.

It is a junction number, because it is equal to n+sod(n) for n = 23111453391 and 23111453400.

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, 389539 + ... + 444930.

It is an arithmetic number, because the mean of its divisors is an integer number (1495203346).

Almost surely, 2^23111453424 is an apocalyptic number.

23111453424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

23111453424 is an abundant number, since it is smaller than the sum of its proper divisors (36696680416).

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

23111453424 is a wasteful number, since it uses less digits than its factorization.

23111453424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835057 (or 835051 counting only the distinct ones).

The product of its digits is 11520, while the sum is 30.

Adding to 23111453424 its reverse (42435411132), we get a palindrome (65546864556).

The spelling of 23111453424 in words is "twenty-three billion, one hundred eleven million, four hundred fifty-three thousand, four hundred twenty-four".