9657001923 has 4 divisors (see below), whose sum is σ = 12876002568. Its totient is φ = 6438001280.

The previous prime is 9657001897. The next prime is 9657001957. The reversal of 9657001923 is 3291007569.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9657001923 - 2⁵ = 9657001891 is a prime.

It is a super-2 number, since 2×9657001923² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9657001223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1609500318 + ... + 1609500323.

It is an arithmetic number, because the mean of its divisors is an integer number (3219000642).

Almost surely, 2^9657001923 is an apocalyptic number.

9657001923 is a deficient number, since it is larger than the sum of its proper divisors (3219000645).

9657001923 is a wasteful number, since it uses less digits than its factorization.

9657001923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3219000644.

The product of its (nonzero) digits is 102060, while the sum is 42.

The square root of 9657001923 is about 98270.0459092189. The cubic root of 9657001923 is about 2129.5153388235.

The spelling of 9657001923 in words is "nine billion, six hundred fifty-seven million, one thousand, nine hundred twenty-three".