723256555452 has 12 divisors (see below), whose sum is σ = 1687598629416. Its totient is φ = 241085518480.

The previous prime is 723256555447. The next prime is 723256555493. The reversal of 723256555452 is 254555652327.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 723256555395 and 723256555404.

It is a congruent number.

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, 30135689799 + ... + 30135689822.

It is an arithmetic number, because the mean of its divisors is an integer number (140633219118).

Almost surely, 2^723256555452 is an apocalyptic number.

It is an amenable number.

723256555452 is an abundant number, since it is smaller than the sum of its proper divisors (964342073964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

723256555452 is a wasteful number, since it uses less digits than its factorization.

723256555452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60271379628 (or 60271379626 counting only the distinct ones).

The product of its digits is 12600000, while the sum is 51.

The spelling of 723256555452 in words is "seven hundred twenty-three billion, two hundred fifty-six million, five hundred fifty-five thousand, four hundred fifty-two".