1377757320523 has 8 divisors (see below), whose sum is σ = 1423364023296. Its totient is φ = 1332223300200.

The previous prime is 1377757320503. The next prime is 1377757320547. The reversal of 1377757320523 is 3250237577731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1377757320523 - 2²⁵ = 1377723766091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1377757320503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18132073 + ... + 18207898.

It is an arithmetic number, because the mean of its divisors is an integer number (177920502912).

Almost surely, 2^{1377757320523} is an apocalyptic number.

1377757320523 is a deficient number, since it is larger than the sum of its proper divisors (45606702773).

1377757320523 is a wasteful number, since it uses less digits than its factorization.

1377757320523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36341225.

The product of its (nonzero) digits is 6482700, while the sum is 52.

The spelling of 1377757320523 in words is "one trillion, three hundred seventy-seven billion, seven hundred fifty-seven million, three hundred twenty thousand, five hundred twenty-three".