1377200523 has 4 divisors (see below), whose sum is σ = 1836267368. Its totient is φ = 918133680.

The previous prime is 1377200519. The next prime is 1377200527. The reversal of 1377200523 is 3250027731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3250027731 = 3 ⋅1083342577.

It is an interprime number because it is at equal distance from previous prime (1377200519) and next prime (1377200527).

It is not a de Polignac number, because 1377200523 - 2² = 1377200519 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1377200527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 229533418 + ... + 229533423.

It is an arithmetic number, because the mean of its divisors is an integer number (459066842).

Almost surely, 2^1377200523 is an apocalyptic number.

1377200523 is a deficient number, since it is larger than the sum of its proper divisors (459066845).

1377200523 is an equidigital number, since it uses as much as digits as its factorization.

1377200523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459066844.

The product of its (nonzero) digits is 8820, while the sum is 30.

The square root of 1377200523 is about 37110.6524194873. The cubic root of 1377200523 is about 1112.5829314603.

The spelling of 1377200523 in words is "one billion, three hundred seventy-seven million, two hundred thousand, five hundred twenty-three".