132723311521 has 2 divisors, whose sum is σ = 132723311522. Its totient is φ = 132723311520.

The previous prime is 132723311473. The next prime is 132723311543. The reversal of 132723311521 is 125113327231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119827437921 + 12895873600 = 346161^2 + 113560^2 .

It is a cyclic number.

It is not a de Polignac number, because 132723311521 - 2⁹ = 132723311009 is a prime.

It is a super-2 number, since 2×132723311521² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (132723311551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66361655760 + 66361655761.

It is an arithmetic number, because the mean of its divisors is an integer number (66361655761).

Almost surely, 2^132723311521 is an apocalyptic number.

It is an amenable number.

132723311521 is a deficient number, since it is larger than the sum of its proper divisors (1).

132723311521 is an equidigital number, since it uses as much as digits as its factorization.

132723311521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7560, while the sum is 31.

Adding to 132723311521 its reverse (125113327231), we get a palindrome (257836638752).

The spelling of 132723311521 in words is "one hundred thirty-two billion, seven hundred twenty-three million, three hundred eleven thousand, five hundred twenty-one".