23545201345 has 8 divisors (see below), whose sum is σ = 28262044800. Its totient is φ = 18830958960.

The previous prime is 23545201343. The next prime is 23545201349. The reversal of 23545201345 is 54310254532.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23545201345 - 2¹ = 23545201343 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23545201345.

It is not an unprimeable number, because it can be changed into a prime (23545201343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 630295 + ... + 666604.

It is an arithmetic number, because the mean of its divisors is an integer number (3532755600).

Almost surely, 2^23545201345 is an apocalyptic number.

It is an amenable number.

23545201345 is a deficient number, since it is larger than the sum of its proper divisors (4716843455).

23545201345 is a wasteful number, since it uses less digits than its factorization.

23545201345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1300535.

The product of its (nonzero) digits is 72000, while the sum is 34.

Adding to 23545201345 its reverse (54310254532), we get a palindrome (77855455877).

The spelling of 23545201345 in words is "twenty-three billion, five hundred forty-five million, two hundred one thousand, three hundred forty-five".