20373376723 has 16 divisors (see below), whose sum is σ = 23469799104. Its totient is φ = 17323614720.

The previous prime is 20373376721. The next prime is 20373376729. The reversal of 20373376723 is 32767337302.

It is a cyclic number.

It is not a de Polignac number, because 20373376723 - 2¹ = 20373376721 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20373376723.

It is not an unprimeable number, because it can be changed into a prime (20373376721) 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 15 ways as a sum of consecutive naturals, for example, 1582653 + ... + 1595473.

It is an arithmetic number, because the mean of its divisors is an integer number (1466862444).

Almost surely, 2^20373376723 is an apocalyptic number.

20373376723 is a deficient number, since it is larger than the sum of its proper divisors (3096422381).

20373376723 is a wasteful number, since it uses less digits than its factorization.

20373376723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14622.

The product of its (nonzero) digits is 666792, while the sum is 43.

The spelling of 20373376723 in words is "twenty billion, three hundred seventy-three million, three hundred seventy-six thousand, seven hundred twenty-three".