20401423143004 has 12 divisors (see below), whose sum is σ = 35724515490328. Its totient is φ = 10194418717200.

The previous prime is 20401423143001. The next prime is 20401423143007. The reversal of 20401423143004 is 40034132410402.

It is an interprime number because it is at equal distance from previous prime (20401423143001) and next prime (20401423143007).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20401423143001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1573206282 + ... + 1573219249.

Almost surely, 2^{20401423143004} is an apocalyptic number.

It is an amenable number.

20401423143004 is a deficient number, since it is larger than the sum of its proper divisors (15323092347324).

20401423143004 is a wasteful number, since it uses less digits than its factorization.

20401423143004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3146427156 (or 3146427154 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 20401423143004 its reverse (40034132410402), we get a palindrome (60435555553406).

The spelling of 20401423143004 in words is "twenty trillion, four hundred one billion, four hundred twenty-three million, one hundred forty-three thousand, four".