1377606123 has 18 divisors (see below), whose sum is σ = 2064441652. Its totient is φ = 918018360.

The previous prime is 1377606107. The next prime is 1377606161. The reversal of 1377606123 is 3216067731.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

1377606123 is a `hidden beast` number, since 1 + 37 + 7 + 6 + 0 + 612 + 3 = 666.

It is not a de Polignac number, because 1377606123 - 2⁴ = 1377606107 is a prime.

It is a super-2 number, since 2×1377606123² = 3795597260254182258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1377606323) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 577393 + ... + 579773.

Almost surely, 2^1377606123 is an apocalyptic number.

1377606123 is a deficient number, since it is larger than the sum of its proper divisors (686835529).

1377606123 is an frugal number, since it uses more digits than its factorization.

1377606123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4777 (or 2384 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 1377606123 is about 37116.1167553935. The cubic root of 1377606123 is about 1112.6921431875.

The spelling of 1377606123 in words is "one billion, three hundred seventy-seven million, six hundred six thousand, one hundred twenty-three".