723144499990 has 64 divisors (see below), whose sum is σ = 1426410285120. Its totient is φ = 261775895040.

The previous prime is 723144499981. The next prime is 723144500003. The reversal of 723144499990 is 99994441327.

It is a super-2 number, since 2×723144499990² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22211764 + ... + 22244296.

It is an arithmetic number, because the mean of its divisors is an integer number (22287660705).

Almost surely, 2^723144499990 is an apocalyptic number.

723144499990 is a deficient number, since it is larger than the sum of its proper divisors (703265785130).

723144499990 is a wasteful number, since it uses less digits than its factorization.

723144499990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33457.

The product of its (nonzero) digits is 17635968, while the sum is 61.

The spelling of 723144499990 in words is "seven hundred twenty-three billion, one hundred forty-four million, four hundred ninety-nine thousand, nine hundred ninety".