9213975523 has 2 divisors, whose sum is σ = 9213975524. Its totient is φ = 9213975522.

The previous prime is 9213975487. The next prime is 9213975553. The reversal of 9213975523 is 3255793129.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9213975523 - 2²¹ = 9211878371 is a prime.

It is not a weakly prime, because it can be changed into another prime (9213975553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4606987761 + 4606987762.

It is an arithmetic number, because the mean of its divisors is an integer number (4606987762).

Almost surely, 2^9213975523 is an apocalyptic number.

9213975523 is a deficient number, since it is larger than the sum of its proper divisors (1).

9213975523 is an equidigital number, since it uses as much as digits as its factorization.

9213975523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 510300, while the sum is 46.

The square root of 9213975523 is about 95989.4552698368. The cubic root of 9213975523 is about 2096.4395847184.

The spelling of 9213975523 in words is "nine billion, two hundred thirteen million, nine hundred seventy-five thousand, five hundred twenty-three".