20231324177 has 2 divisors, whose sum is σ = 20231324178. Its totient is φ = 20231324176.

The previous prime is 20231324131. The next prime is 20231324209. The reversal of 20231324177 is 77142313202.

It is an a-pointer prime, because the next prime (20231324209) can be obtained adding 20231324177 to its sum of digits (32).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11657304961 + 8574019216 = 107969^2 + 92596^2 .

It is a cyclic number.

It is not a de Polignac number, because 20231324177 - 2²⁰ = 20230275601 is a prime.

It is not a weakly prime, because it can be changed into another prime (20231324977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10115662088 + 10115662089.

It is an arithmetic number, because the mean of its divisors is an integer number (10115662089).

Almost surely, 2^20231324177 is an apocalyptic number.

It is an amenable number.

20231324177 is a deficient number, since it is larger than the sum of its proper divisors (1).

20231324177 is an equidigital number, since it uses as much as digits as its factorization.

20231324177 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14112, while the sum is 32.

Adding to 20231324177 its reverse (77142313202), we get a palindrome (97373637379).

The spelling of 20231324177 in words is "twenty billion, two hundred thirty-one million, three hundred twenty-four thousand, one hundred seventy-seven".