23209303753 has 2 divisors, whose sum is σ = 23209303754. Its totient is φ = 23209303752.

The previous prime is 23209303709. The next prime is 23209303769. The reversal of 23209303753 is 35730390232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11814168249 + 11395135504 = 108693^2 + 106748^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23209303753 is a prime.

It is not a weakly prime, because it can be changed into another prime (23209303853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11604651876 + 11604651877.

It is an arithmetic number, because the mean of its divisors is an integer number (11604651877).

Almost surely, 2^23209303753 is an apocalyptic number.

It is an amenable number.

23209303753 is a deficient number, since it is larger than the sum of its proper divisors (1).

23209303753 is an equidigital number, since it uses as much as digits as its factorization.

23209303753 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 102060, while the sum is 37.

Subtracting from 23209303753 its sum of digits (37), we obtain a square (23209303716 = 152346²).

Adding to 23209303753 its reverse (35730390232), we get a palindrome (58939693985).

The spelling of 23209303753 in words is "twenty-three billion, two hundred nine million, three hundred three thousand, seven hundred fifty-three".