23263156513 has 2 divisors, whose sum is σ = 23263156514. Its totient is φ = 23263156512.

The previous prime is 23263156487. The next prime is 23263156523. The reversal of 23263156513 is 31565136232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22635804304 + 627352209 = 150452^2 + 25047^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23263156513 is a prime.

It is not a weakly prime, because it can be changed into another prime (23263156523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11631578256 + 11631578257.

It is an arithmetic number, because the mean of its divisors is an integer number (11631578257).

Almost surely, 2^23263156513 is an apocalyptic number.

It is an amenable number.

23263156513 is a deficient number, since it is larger than the sum of its proper divisors (1).

23263156513 is an equidigital number, since it uses as much as digits as its factorization.

23263156513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 97200, while the sum is 37.

It can be divided in two parts, 23263 and 156513, that added together give a square (179776 = 424²).

The spelling of 23263156513 in words is "twenty-three billion, two hundred sixty-three million, one hundred fifty-six thousand, five hundred thirteen".