723536255012040 has 128 divisors (see below), whose sum is σ = 2413718496000000. Its totient is φ = 192788522993664.

The previous prime is 723536255011981. The next prime is 723536255012059. The reversal of 723536255012040 is 40210552635327.

723536255012040 is a `hidden beast` number, since 7 + 2 + 3 + 5 + 3 + 625 + 5 + 0 + 12 + 0 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 266842024 + ... + 269539863.

It is an arithmetic number, because the mean of its divisors is an integer number (18857175750000).

Almost surely, 2^{723536255012040} is an apocalyptic number.

It is an amenable number.

723536255012040 is an abundant number, since it is smaller than the sum of its proper divisors (1690182240987960).

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

723536255012040 is a wasteful number, since it uses less digits than its factorization.

723536255012040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536383156 (or 536383146 counting only the distinct ones).

The product of its (nonzero) digits is 1512000, while the sum is 45.

The spelling of 723536255012040 in words is "seven hundred twenty-three trillion, five hundred thirty-six billion, two hundred fifty-five million, twelve thousand, forty".