23135330305503 has 32 divisors (see below), whose sum is σ = 37132092748800. Its totient is φ = 14151874052448.

The previous prime is 23135330305501. The next prime is 23135330305511. The reversal of 23135330305503 is 30550303353132.

23135330305503 is a `hidden beast` number, since 2 + 3 + 13 + 5 + 330 + 305 + 5 + 0 + 3 = 666.

It is not a de Polignac number, because 23135330305503 - 2¹ = 23135330305501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23135330305501) 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, 197284563 + ... + 197401796.

It is an arithmetic number, because the mean of its divisors is an integer number (1160377898400).

Almost surely, 2^{23135330305503} is an apocalyptic number.

23135330305503 is a deficient number, since it is larger than the sum of its proper divisors (13996762443297).

23135330305503 is a wasteful number, since it uses less digits than its factorization.

23135330305503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394686548 (or 394686542 counting only the distinct ones).

The product of its (nonzero) digits is 182250, while the sum is 36.

Adding to 23135330305503 its reverse (30550303353132), we get a palindrome (53685633658635).

The spelling of 23135330305503 in words is "twenty-three trillion, one hundred thirty-five billion, three hundred thirty million, three hundred five thousand, five hundred three".