9840962623 has 2 divisors, whose sum is σ = 9840962624. Its totient is φ = 9840962622.

The previous prime is 9840962569. The next prime is 9840962629. The reversal of 9840962623 is 3262690489.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9840962623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9840962629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4920481311 + 4920481312.

It is an arithmetic number, because the mean of its divisors is an integer number (4920481312).

Almost surely, 2^9840962623 is an apocalyptic number.

9840962623 is a deficient number, since it is larger than the sum of its proper divisors (1).

9840962623 is an equidigital number, since it uses as much as digits as its factorization.

9840962623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1119744, while the sum is 49.

The square root of 9840962623 is about 99201.6261106641. The cubic root of 9840962623 is about 2142.9524147459.

The spelling of 9840962623 in words is "nine billion, eight hundred forty million, nine hundred sixty-two thousand, six hundred twenty-three".