697872722423 has 2 divisors, whose sum is σ = 697872722424. Its totient is φ = 697872722422.

The previous prime is 697872722401. The next prime is 697872722429. The reversal of 697872722423 is 324227278796.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 697872722423 - 2³² = 693577755127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (697872722429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 348936361211 + 348936361212.

It is an arithmetic number, because the mean of its divisors is an integer number (348936361212).

Almost surely, 2^697872722423 is an apocalyptic number.

697872722423 is a deficient number, since it is larger than the sum of its proper divisors (1).

697872722423 is an equidigital number, since it uses as much as digits as its factorization.

697872722423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28449792, while the sum is 59.

The spelling of 697872722423 in words is "six hundred ninety-seven billion, eight hundred seventy-two million, seven hundred twenty-two thousand, four hundred twenty-three".