1704130723 has 4 divisors (see below), whose sum is σ = 1704972640. Its totient is φ = 1703288808.

The previous prime is 1704130669. The next prime is 1704130733. The reversal of 1704130723 is 3270314071.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3270314071 = 4783 ⋅683737.

It is a cyclic number.

It is not a de Polignac number, because 1704130723 - 2¹³ = 1704122531 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1704130691 and 1704130700.

It is not an unprimeable number, because it can be changed into a prime (1704130733) 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, 417915 + ... + 421972.

It is an arithmetic number, because the mean of its divisors is an integer number (426243160).

Almost surely, 2^1704130723 is an apocalyptic number.

1704130723 is a deficient number, since it is larger than the sum of its proper divisors (841917).

1704130723 is an equidigital number, since it uses as much as digits as its factorization.

1704130723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841916.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 1704130723 is about 41281.1182382454. The cubic root of 1704130723 is about 1194.4490666062.

Adding to 1704130723 its reverse (3270314071), we get a palindrome (4974444794).

The spelling of 1704130723 in words is "one billion, seven hundred four million, one hundred thirty thousand, seven hundred twenty-three".