723983331406 has 4 divisors (see below), whose sum is σ = 1085974997112. Its totient is φ = 361991665702.

The previous prime is 723983331347. The next prime is 723983331433. The reversal of 723983331406 is 604133389327.

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

It is a self number, because there is not a number n which added to its sum of digits gives 723983331406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180995832850 + ... + 180995832853.

It is an arithmetic number, because the mean of its divisors is an integer number (271493749278).

Almost surely, 2^723983331406 is an apocalyptic number.

723983331406 is a deficient number, since it is larger than the sum of its proper divisors (361991665706).

723983331406 is a wasteful number, since it uses less digits than its factorization.

723983331406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361991665705.

The product of its (nonzero) digits is 1959552, while the sum is 49.

The spelling of 723983331406 in words is "seven hundred twenty-three billion, nine hundred eighty-three million, three hundred thirty-one thousand, four hundred six".