1377880423 has 2 divisors, whose sum is σ = 1377880424. Its totient is φ = 1377880422.

The previous prime is 1377880373. The next prime is 1377880453. The reversal of 1377880423 is 3240887731.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1377880423 - 2⁹ = 1377879911 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1377880423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1377880453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 688940211 + 688940212.

It is an arithmetic number, because the mean of its divisors is an integer number (688940212).

Almost surely, 2^1377880423 is an apocalyptic number.

1377880423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1377880423 is an equidigital number, since it uses as much as digits as its factorization.

1377880423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 225792, while the sum is 43.

The square root of 1377880423 is about 37119.8117317424. The cubic root of 1377880423 is about 1112.7659889684.

The spelling of 1377880423 in words is "one billion, three hundred seventy-seven million, eight hundred eighty thousand, four hundred twenty-three".