923946997 has 2 divisors, whose sum is σ = 923946998. Its totient is φ = 923946996.

The previous prime is 923946979. The next prime is 923947001. The reversal of 923946997 is 799649329.

Together with previous prime (923946979) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 522305316 + 401641681 = 22854^2 + 20041^2 .

923946997 is a truncatable prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-923946997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (923946917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 461973498 + 461973499.

It is an arithmetic number, because the mean of its divisors is an integer number (461973499).

Almost surely, 2^923946997 is an apocalyptic number.

It is an amenable number.

923946997 is a deficient number, since it is larger than the sum of its proper divisors (1).

923946997 is an equidigital number, since it uses as much as digits as its factorization.

923946997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6613488, while the sum is 58.

The square root of 923946997 is about 30396.4964592961. The cubic root of 923946997 is about 973.9777133425.

The spelling of 923946997 in words is "nine hundred twenty-three million, nine hundred forty-six thousand, nine hundred ninety-seven".