23209077371377 has 2 divisors, whose sum is σ = 23209077371378. Its totient is φ = 23209077371376.

The previous prime is 23209077371323. The next prime is 23209077371401. The reversal of 23209077371377 is 77317377090232.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22410670788081 + 798406583296 = 4733991^2 + 893536^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23209077371377 is a prime.

It is a super-2 number, since 2×23209077371377² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23209077341377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11604538685688 + 11604538685689.

It is an arithmetic number, because the mean of its divisors is an integer number (11604538685689).

Almost surely, 2^{23209077371377} is an apocalyptic number.

It is an amenable number.

23209077371377 is a deficient number, since it is larger than the sum of its proper divisors (1).

23209077371377 is an equidigital number, since it uses as much as digits as its factorization.

23209077371377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16336404, while the sum is 58.

The spelling of 23209077371377 in words is "twenty-three trillion, two hundred nine billion, seventy-seven million, three hundred seventy-one thousand, three hundred seventy-seven".