23303044545 has 96 divisors (see below), whose sum is σ = 42195686400. Its totient is φ = 10968988800.

The previous prime is 23303044537. The next prime is 23303044547. The reversal of 23303044545 is 54544030332.

It is a happy number.

It is not a de Polignac number, because 23303044545 - 2³ = 23303044537 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (23303044547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 8632606 + ... + 8635304.

It is an arithmetic number, because the mean of its divisors is an integer number (439538400).

Almost surely, 2^23303044545 is an apocalyptic number.

It is an amenable number.

23303044545 is a deficient number, since it is larger than the sum of its proper divisors (18892641855).

23303044545 is a wasteful number, since it uses less digits than its factorization.

23303044545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2867 (or 2856 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 33.

Adding to 23303044545 its reverse (54544030332), we get a palindrome (77847074877).

The spelling of 23303044545 in words is "twenty-three billion, three hundred three million, forty-four thousand, five hundred forty-five".