723643470903 has 4 divisors (see below), whose sum is σ = 964857961208. Its totient is φ = 482428980600.

The previous prime is 723643470853. The next prime is 723643470919. The reversal of 723643470903 is 309074346327.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 723643470903 - 2³⁴ = 706463601719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (723643470503) 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, 120607245148 + ... + 120607245153.

It is an arithmetic number, because the mean of its divisors is an integer number (241214490302).

Almost surely, 2^723643470903 is an apocalyptic number.

723643470903 is a deficient number, since it is larger than the sum of its proper divisors (241214490305).

723643470903 is a wasteful number, since it uses less digits than its factorization.

723643470903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241214490304.

The product of its (nonzero) digits is 2286144, while the sum is 48.

The spelling of 723643470903 in words is "seven hundred twenty-three billion, six hundred forty-three million, four hundred seventy thousand, nine hundred three".