23155421324 has 12 divisors (see below), whose sum is σ = 46310842704. Its totient is φ = 9923751984.

The previous prime is 23155421323. The next prime is 23155421347. The reversal of 23155421324 is 42312455132.

23155421324 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (23155421323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 413489639 + ... + 413489694.

It is an arithmetic number, because the mean of its divisors is an integer number (3859236892).

Almost surely, 2^23155421324 is an apocalyptic number.

It is an amenable number.

23155421324 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

23155421324 is a wasteful number, since it uses less digits than its factorization.

23155421324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 826979344 (or 826979342 counting only the distinct ones).

The product of its digits is 28800, while the sum is 32.

Adding to 23155421324 its reverse (42312455132), we get a palindrome (65467876456).

The spelling of 23155421324 in words is "twenty-three billion, one hundred fifty-five million, four hundred twenty-one thousand, three hundred twenty-four".