531693448151123 has 2 divisors, whose sum is σ = 531693448151124. Its totient is φ = 531693448151122.

The previous prime is 531693448150913. The next prime is 531693448151143. The reversal of 531693448151123 is 321151844396135.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 531693448151123 - 2⁸ = 531693448150867 is a prime.

It is a super-2 number, since 2×531693448151123² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (531693448151143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265846724075561 + 265846724075562.

It is an arithmetic number, because the mean of its divisors is an integer number (265846724075562).

Almost surely, 2^{531693448151123} is an apocalyptic number.

531693448151123 is a deficient number, since it is larger than the sum of its proper divisors (1).

531693448151123 is an equidigital number, since it uses as much as digits as its factorization.

531693448151123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9331200, while the sum is 56.

The spelling of 531693448151123 in words is "five hundred thirty-one trillion, six hundred ninety-three billion, four hundred forty-eight million, one hundred fifty-one thousand, one hundred twenty-three".