23503042445 has 8 divisors (see below), whose sum is σ = 28308498840. Its totient is φ = 18732535360.

The previous prime is 23503042441. The next prime is 23503042573. The reversal of 23503042445 is 54424030532.

It can be written as a sum of positive squares in 4 ways, for example, as 413024329 + 23090018116 = 20323^2 + 151954^2 .

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

It is not a de Polignac number, because 23503042445 - 2² = 23503042441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23503042441) 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, 8735846 + ... + 8738535.

It is an arithmetic number, because the mean of its divisors is an integer number (3538562355).

Almost surely, 2^23503042445 is an apocalyptic number.

It is an amenable number.

23503042445 is a deficient number, since it is larger than the sum of its proper divisors (4805456395).

23503042445 is a wasteful number, since it uses less digits than its factorization.

23503042445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17474655.

The product of its (nonzero) digits is 57600, while the sum is 32.

Adding to 23503042445 its reverse (54424030532), we get a palindrome (77927072977).

The spelling of 23503042445 in words is "twenty-three billion, five hundred three million, forty-two thousand, four hundred forty-five".