20323143401 has 8 divisors (see below), whose sum is σ = 22885886208. Its totient is φ = 17879598000.

The previous prime is 20323143397. The next prime is 20323143431. The reversal of 20323143401 is 10434132302.

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

It is not a de Polignac number, because 20323143401 - 2² = 20323143397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20323143431) 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, 29798990 + ... + 29799671.

It is an arithmetic number, because the mean of its divisors is an integer number (2860735776).

Almost surely, 2^20323143401 is an apocalyptic number.

It is an amenable number.

20323143401 is a deficient number, since it is larger than the sum of its proper divisors (2562742807).

20323143401 is a wasteful number, since it uses less digits than its factorization.

20323143401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59598703.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 20323143401 its reverse (10434132302), we get a palindrome (30757275703).

The spelling of 20323143401 in words is "twenty billion, three hundred twenty-three million, one hundred forty-three thousand, four hundred one".