9120657523 has 2 divisors, whose sum is σ = 9120657524. Its totient is φ = 9120657522.

The previous prime is 9120657487. The next prime is 9120657541. The reversal of 9120657523 is 3257560219.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9120657523 - 2¹⁷ = 9120526451 is a prime.

It is not a weakly prime, because it can be changed into another prime (9120657223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4560328761 + 4560328762.

It is an arithmetic number, because the mean of its divisors is an integer number (4560328762).

Almost surely, 2^9120657523 is an apocalyptic number.

9120657523 is a deficient number, since it is larger than the sum of its proper divisors (1).

9120657523 is an equidigital number, since it uses as much as digits as its factorization.

9120657523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 113400, while the sum is 40.

The square root of 9120657523 is about 95502.1336044384. The cubic root of 9120657523 is about 2089.3380627749.

The spelling of 9120657523 in words is "nine billion, one hundred twenty million, six hundred fifty-seven thousand, five hundred twenty-three".