723453423440131 has 8 divisors (see below), whose sum is σ = 723507235632944. Its totient is φ = 723399612873120.

The previous prime is 723453423440129. The next prime is 723453423440161. The reversal of 723453423440131 is 131044324354327.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 723453423440131 - 2¹ = 723453423440129 is a prime.

It is a super-2 number, since 2×723453423440131² (a number of 31 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (723453423440161) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 975079441 + ... + 975821101.

It is an arithmetic number, because the mean of its divisors is an integer number (90438404454118).

Almost surely, 2^{723453423440131} is an apocalyptic number.

723453423440131 is a deficient number, since it is larger than the sum of its proper divisors (53812192813).

723453423440131 is a wasteful number, since it uses less digits than its factorization.

723453423440131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812901.

The product of its (nonzero) digits is 2903040, while the sum is 46.

Adding to 723453423440131 its reverse (131044324354327), we get a palindrome (854497747794458).

The spelling of 723453423440131 in words is "seven hundred twenty-three trillion, four hundred fifty-three billion, four hundred twenty-three million, four hundred forty thousand, one hundred thirty-one".