1001697923 has 2 divisors, whose sum is σ = 1001697924. Its totient is φ = 1001697922.

The previous prime is 1001697913. The next prime is 1001697971. The reversal of 1001697923 is 3297961001.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1001697923 - 2⁶ = 1001697859 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1001697913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500848961 + 500848962.

It is an arithmetic number, because the mean of its divisors is an integer number (500848962).

Almost surely, 2^1001697923 is an apocalyptic number.

1001697923 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001697923 is an equidigital number, since it uses as much as digits as its factorization.

1001697923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20412, while the sum is 38.

The square root of 1001697923 is about 31649.6117353752. The cubic root of 1001697923 is about 1000.5656543082.

The spelling of 1001697923 in words is "one billion, one million, six hundred ninety-seven thousand, nine hundred twenty-three".