20401024323 has 8 divisors (see below), whose sum is σ = 27215773200. Its totient is φ = 13593479168.

The previous prime is 20401024321. The next prime is 20401024331. The reversal of 20401024323 is 32342010402.

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 20401024323 - 2¹ = 20401024321 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20401024323.

It is not an unprimeable number, because it can be changed into a prime (20401024321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1794318 + ... + 1805651.

It is an arithmetic number, because the mean of its divisors is an integer number (3401971650).

Almost surely, 2^20401024323 is an apocalyptic number.

20401024323 is a deficient number, since it is larger than the sum of its proper divisors (6814748877).

20401024323 is a wasteful number, since it uses less digits than its factorization.

20401024323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3601861.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 20401024323 its reverse (32342010402), we get a palindrome (52743034725).

The spelling of 20401024323 in words is "twenty billion, four hundred one million, twenty-four thousand, three hundred twenty-three".