2097840623 has 2 divisors, whose sum is σ = 2097840624. Its totient is φ = 2097840622.

The previous prime is 2097840617. The next prime is 2097840637. The reversal of 2097840623 is 3260487902.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2097840623 - 2¹⁰ = 2097839599 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2097840323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1048920311 + 1048920312.

It is an arithmetic number, because the mean of its divisors is an integer number (1048920312).

Almost surely, 2^2097840623 is an apocalyptic number.

2097840623 is a deficient number, since it is larger than the sum of its proper divisors (1).

2097840623 is an equidigital number, since it uses as much as digits as its factorization.

2097840623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 2097840623 is about 45802.1901550570. The cubic root of 2097840623 is about 1280.1400853763.

The spelling of 2097840623 in words is "two billion, ninety-seven million, eight hundred forty thousand, six hundred twenty-three".