1723401668 has 12 divisors (see below), whose sum is σ = 3017547792. Its totient is φ = 861245160.

The previous prime is 1723401649. The next prime is 1723401709. The reversal of 1723401668 is 8661043271.

It is a super-2 number, since 2×1723401668² = 5940226618530364448, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105338 + ... + 120593.

It is an arithmetic number, because the mean of its divisors is an integer number (251462316).

Almost surely, 2^1723401668 is an apocalyptic number.

It is an amenable number.

1723401668 is a deficient number, since it is larger than the sum of its proper divisors (1294146124).

1723401668 is a wasteful number, since it uses less digits than its factorization.

1723401668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227842 (or 227840 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 1723401668 is about 41513.8731992090. The cubic root of 1723401668 is about 1198.9346257243.

The spelling of 1723401668 in words is "one billion, seven hundred twenty-three million, four hundred one thousand, six hundred sixty-eight".