23555222255532 has 144 divisors (see below), whose sum is σ = 60588231282432. Its totient is φ = 7063778400000.

The previous prime is 23555222255519. The next prime is 23555222255581.

It is a happy number.

23555222255532 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4337176857 + ... + 4337182287.

It is an arithmetic number, because the mean of its divisors is an integer number (420751606128).

Almost surely, 2^{23555222255532} is an apocalyptic number.

23555222255532 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23555222255532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30294115641216).

23555222255532 is an abundant number, since it is smaller than the sum of its proper divisors (37033009026900).

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

23555222255532 is a wasteful number, since it uses less digits than its factorization.

23555222255532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8872 (or 8769 counting only the distinct ones).

The product of its digits is 9000000, while the sum is 48.

The spelling of 23555222255532 in words is "twenty-three trillion, five hundred fifty-five billion, two hundred twenty-two million, two hundred fifty-five thousand, five hundred thirty-two".