1377370723 has 6 divisors (see below), whose sum is σ = 1385055492. Its totient is φ = 1369728360.

The previous prime is 1377370699. The next prime is 1377370733. The reversal of 1377370723 is 3270737731.

It is not a de Polignac number, because 1377370723 - 2⁵ = 1377370691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1377370733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11740 + ... + 53782.

It is an arithmetic number, because the mean of its divisors is an integer number (230842582).

Almost surely, 2^1377370723 is an apocalyptic number.

1377370723 is a deficient number, since it is larger than the sum of its proper divisors (7684769).

1377370723 is an frugal number, since it uses more digits than its factorization.

1377370723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42405 (or 42224 counting only the distinct ones).

The product of its (nonzero) digits is 129654, while the sum is 40.

The square root of 1377370723 is about 37112.9454907583. The cubic root of 1377370723 is about 1112.6287620690.

It can be divided in two parts, 1377 and 370723, that added together give a square (372100 = 610²).

The spelling of 1377370723 in words is "one billion, three hundred seventy-seven million, three hundred seventy thousand, seven hundred twenty-three".