53662172131723 has 2 divisors, whose sum is σ = 53662172131724. Its totient is φ = 53662172131722.

The previous prime is 53662172131717. The next prime is 53662172131727. The reversal of 53662172131723 is 32713127126635.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53662172131723 - 2²⁵ = 53662138577291 is a prime.

It is not a weakly prime, because it can be changed into another prime (53662172131727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26831086065861 + 26831086065862.

It is an arithmetic number, because the mean of its divisors is an integer number (26831086065862).

Almost surely, 2^{53662172131723} is an apocalyptic number.

53662172131723 is a deficient number, since it is larger than the sum of its proper divisors (1).

53662172131723 is an equidigital number, since it uses as much as digits as its factorization.

53662172131723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1905120, while the sum is 49.

The spelling of 53662172131723 in words is "fifty-three trillion, six hundred sixty-two billion, one hundred seventy-two million, one hundred thirty-one thousand, seven hundred twenty-three".