1374678523 has 2 divisors, whose sum is σ = 1374678524. Its totient is φ = 1374678522.

The previous prime is 1374678517. The next prime is 1374678551. The reversal of 1374678523 is 3258764731.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1374678523 - 2⁵ = 1374678491 is a prime.

It is not a weakly prime, because it can be changed into another prime (1374678553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 687339261 + 687339262.

It is an arithmetic number, because the mean of its divisors is an integer number (687339262).

Almost surely, 2^1374678523 is an apocalyptic number.

1374678523 is a deficient number, since it is larger than the sum of its proper divisors (1).

1374678523 is an equidigital number, since it uses as much as digits as its factorization.

1374678523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 846720, while the sum is 46.

The square root of 1374678523 is about 37076.6573870946. The cubic root of 1374678523 is about 1111.9033768999.

The spelling of 1374678523 in words is "one billion, three hundred seventy-four million, six hundred seventy-eight thousand, five hundred twenty-three".