23401452015550 has 48 divisors (see below), whose sum is σ = 49747440424320. Its totient is φ = 8022929240160.

The previous prime is 23401452015527. The next prime is 23401452015553. The reversal of 23401452015550 is 5551025410432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23401452015553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4867021 + ... + 8395879.

It is an arithmetic number, because the mean of its divisors is an integer number (1036405008840).

Almost surely, 2^{23401452015550} is an apocalyptic number.

23401452015550 is an abundant number, since it is smaller than the sum of its proper divisors (26345988408770).

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

23401452015550 is a wasteful number, since it uses less digits than its factorization.

23401452015550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3547825 (or 3547820 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 37.

Adding to 23401452015550 its reverse (5551025410432), we get a palindrome (28952477425982).

The spelling of 23401452015550 in words is "twenty-three trillion, four hundred one billion, four hundred fifty-two million, fifteen thousand, five hundred fifty".