23255322540 has 48 divisors (see below), whose sum is σ = 67945989888. Its totient is φ = 5931792064.

The previous prime is 23255322527. The next prime is 23255322569. The reversal of 23255322540 is 4522355232.

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, 8424462 + ... + 8427221.

It is an arithmetic number, because the mean of its divisors is an integer number (1415541456).

Almost surely, 2^23255322540 is an apocalyptic number.

23255322540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23255322540 is an abundant number, since it is smaller than the sum of its proper divisors (44690667348).

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

23255322540 is a wasteful number, since it uses less digits than its factorization.

23255322540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16851718 (or 16851716 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 33.

Adding to 23255322540 its reverse (4522355232), we get a palindrome (27777677772).

The spelling of 23255322540 in words is "twenty-three billion, two hundred fifty-five million, three hundred twenty-two thousand, five hundred forty".