723099808642 has 16 divisors (see below), whose sum is σ = 1085767076160. Its totient is φ = 361177539408.

The previous prime is 723099808609. The next prime is 723099808643. The reversal of 723099808642 is 246808990327.

It is not an unprimeable number, because it can be changed into a prime (723099808643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21159013 + ... + 21193159.

It is an arithmetic number, because the mean of its divisors is an integer number (67860442260).

Almost surely, 2^723099808642 is an apocalyptic number.

723099808642 is a deficient number, since it is larger than the sum of its proper divisors (362667267518).

723099808642 is a wasteful number, since it uses less digits than its factorization.

723099808642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44745.

The product of its (nonzero) digits is 10450944, while the sum is 58.

The spelling of 723099808642 in words is "seven hundred twenty-three billion, ninety-nine million, eight hundred eight thousand, six hundred forty-two".