115223403377 has 2 divisors, whose sum is σ = 115223403378. Its totient is φ = 115223403376.

The previous prime is 115223403371. The next prime is 115223403389. The reversal of 115223403377 is 773304322511.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83777829136 + 31445574241 = 289444^2 + 177329^2 .

It is a cyclic number.

It is not a de Polignac number, because 115223403377 - 2¹⁸ = 115223141233 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 115223403377.

It is not a weakly prime, because it can be changed into another prime (115223403371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57611701688 + 57611701689.

It is an arithmetic number, because the mean of its divisors is an integer number (57611701689).

Almost surely, 2^115223403377 is an apocalyptic number.

It is an amenable number.

115223403377 is a deficient number, since it is larger than the sum of its proper divisors (1).

115223403377 is an equidigital number, since it uses as much as digits as its factorization.

115223403377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105840, while the sum is 38.

Adding to 115223403377 its reverse (773304322511), we get a palindrome (888527725888).

The spelling of 115223403377 in words is "one hundred fifteen billion, two hundred twenty-three million, four hundred three thousand, three hundred seventy-seven".