1371475723 has 2 divisors, whose sum is σ = 1371475724. Its totient is φ = 1371475722.

The previous prime is 1371475597. The next prime is 1371475741. The reversal of 1371475723 is 3275741731.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1371475723 is a prime.

It is not a weakly prime, because it can be changed into another prime (1371475783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 685737861 + 685737862.

It is an arithmetic number, because the mean of its divisors is an integer number (685737862).

Almost surely, 2^1371475723 is an apocalyptic number.

1371475723 is a deficient number, since it is larger than the sum of its proper divisors (1).

1371475723 is an equidigital number, since it uses as much as digits as its factorization.

1371475723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 123480, while the sum is 40.

The square root of 1371475723 is about 37033.4406044051. The cubic root of 1371475723 is about 1111.0391812943.

The spelling of 1371475723 in words is "one billion, three hundred seventy-one million, four hundred seventy-five thousand, seven hundred twenty-three".