20374303523 has 8 divisors (see below), whose sum is σ = 23490980448. Its totient is φ = 17309142144.

The previous prime is 20374303519. The next prime is 20374303643. The reversal of 20374303523 is 32530347302.

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

It is not a de Polignac number, because 20374303523 - 2² = 20374303519 is a prime.

It is a super-2 number, since 2×20374303523² (a number of 21 digits) contains 22 as substring.

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 20374303523.

It is not an unprimeable number, because it can be changed into a prime (20374353523) 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, 12878036 + ... + 12879617.

It is an arithmetic number, because the mean of its divisors is an integer number (2936372556).

Almost surely, 2^20374303523 is an apocalyptic number.

20374303523 is a deficient number, since it is larger than the sum of its proper divisors (3116676925).

20374303523 is a wasteful number, since it uses less digits than its factorization.

20374303523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25757773.

The product of its (nonzero) digits is 45360, while the sum is 32.

The spelling of 20374303523 in words is "twenty billion, three hundred seventy-four million, three hundred three thousand, five hundred twenty-three".