23445201342552 has 128 divisors (see below), whose sum is σ = 64840036032000. Its totient is φ = 7005209277440.

The previous prime is 23445201342523. The next prime is 23445201342557. The reversal of 23445201342552 is 25524310254432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23445201342557) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7045318 + ... + 9824810.

It is an arithmetic number, because the mean of its divisors is an integer number (506562781500).

Almost surely, 2^{23445201342552} is an apocalyptic number.

23445201342552 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 23445201342552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32420018016000).

23445201342552 is an abundant number, since it is smaller than the sum of its proper divisors (41394834689448).

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

23445201342552 is a wasteful number, since it uses less digits than its factorization.

23445201342552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2779961 (or 2779957 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 42.

Adding to 23445201342552 its reverse (25524310254432), we get a palindrome (48969511596984).

It can be divided in two parts, 23445201 and 342552, that added together give a triangular number (23787753 = T₆₈₉₇).

The spelling of 23445201342552 in words is "twenty-three trillion, four hundred forty-five billion, two hundred one million, three hundred forty-two thousand, five hundred fifty-two".