723143775459 has 16 divisors (see below), whose sum is σ = 1102050738432. Its totient is φ = 413181002208.

The previous prime is 723143775427. The next prime is 723143775463. The reversal of 723143775459 is 954577341327.

It is not a de Polignac number, because 723143775459 - 2⁵ = 723143775427 is a prime.

It is a super-2 number, since 2×723143775459² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 723143775399 and 723143775408.

It is not an unprimeable number, because it can be changed into a prime (723143775469) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1631469 + ... + 2026814.

It is an arithmetic number, because the mean of its divisors is an integer number (68878171152).

Almost surely, 2^723143775459 is an apocalyptic number.

723143775459 is a deficient number, since it is larger than the sum of its proper divisors (378906962973).

723143775459 is a wasteful number, since it uses less digits than its factorization.

723143775459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3667706.

The product of its digits is 22226400, while the sum is 57.

The spelling of 723143775459 in words is "seven hundred twenty-three billion, one hundred forty-three million, seven hundred seventy-five thousand, four hundred fifty-nine".