723523473 has 12 divisors (see below), whose sum is σ = 1045920720. Its totient is φ = 481965336.

The previous prime is 723523469. The next prime is 723523517. The reversal of 723523473 is 374325327.

It is not a de Polignac number, because 723523473 - 2² = 723523469 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (723523573) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19783 + ... + 42876.

It is an arithmetic number, because the mean of its divisors is an integer number (87160060).

Almost surely, 2^723523473 is an apocalyptic number.

It is an amenable number.

723523473 is a deficient number, since it is larger than the sum of its proper divisors (322397247).

723523473 is a wasteful number, since it uses less digits than its factorization.

723523473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63948 (or 63945 counting only the distinct ones).

The product of its digits is 105840, while the sum is 36.

The square root of 723523473 is about 26898.3916433678. The cubic root of 723523473 is about 897.7406179234.

The spelling of 723523473 in words is "seven hundred twenty-three million, five hundred twenty-three thousand, four hundred seventy-three".