723123376020331 has 24 divisors (see below), whose sum is σ = 875045792048400. Its totient is φ = 592016408755200.

The previous prime is 723123376020277. The next prime is 723123376020337. The reversal of 723123376020331 is 133020673321327.

It is a happy number.

It is not a de Polignac number, because 723123376020331 - 2¹¹ = 723123376018283 is a prime.

It is a super-2 number, since 2×723123376020331² (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 (723123376020337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4743645006 + ... + 4743797443.

It is an arithmetic number, because the mean of its divisors is an integer number (36460241335350).

Almost surely, 2^{723123376020331} is an apocalyptic number.

723123376020331 is a deficient number, since it is larger than the sum of its proper divisors (151922416028069).

723123376020331 is a wasteful number, since it uses less digits than its factorization.

723123376020331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9487442527 (or 9487442514 counting only the distinct ones).

The product of its (nonzero) digits is 571536, while the sum is 43.

The spelling of 723123376020331 in words is "seven hundred twenty-three trillion, one hundred twenty-three billion, three hundred seventy-six million, twenty thousand, three hundred thirty-one".