11323432537 has 2 divisors, whose sum is σ = 11323432538. Its totient is φ = 11323432536.

The previous prime is 11323432513. The next prime is 11323432583. The reversal of 11323432537 is 73523432311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9829532736 + 1493899801 = 99144^2 + 38651^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11323432537 is a prime.

It is not a weakly prime, because it can be changed into another prime (11323432937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5661716268 + 5661716269.

It is an arithmetic number, because the mean of its divisors is an integer number (5661716269).

Almost surely, 2^11323432537 is an apocalyptic number.

It is an amenable number.

11323432537 is a deficient number, since it is larger than the sum of its proper divisors (1).

11323432537 is an equidigital number, since it uses as much as digits as its factorization.

11323432537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 34.

Adding to 11323432537 its reverse (73523432311), we get a palindrome (84846864848).

The spelling of 11323432537 in words is "eleven billion, three hundred twenty-three million, four hundred thirty-two thousand, five hundred thirty-seven".