9649307123 has 4 divisors (see below), whose sum is σ = 9722966088. Its totient is φ = 9575648160.

The previous prime is 9649307081. The next prime is 9649307131. The reversal of 9649307123 is 3217039469.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3217039469 = 7 ⋅459577067.

It is a cyclic number.

It is not a de Polignac number, because 9649307123 - 2⁸ = 9649306867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9649307623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36829286 + ... + 36829547.

It is an arithmetic number, because the mean of its divisors is an integer number (2430741522).

Almost surely, 2^9649307123 is an apocalyptic number.

9649307123 is a deficient number, since it is larger than the sum of its proper divisors (73658965).

9649307123 is a wasteful number, since it uses less digits than its factorization.

9649307123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73658964.

The product of its (nonzero) digits is 244944, while the sum is 44.

The square root of 9649307123 is about 98230.8868075617. The cubic root of 9649307123 is about 2128.9495818416.

The spelling of 9649307123 in words is "nine billion, six hundred forty-nine million, three hundred seven thousand, one hundred twenty-three".