404023012140143 has 24 divisors (see below), whose sum is σ = 446038108276320. Its totient is φ = 365684998553600.

The previous prime is 404023012140113. The next prime is 404023012140173. The reversal of 404023012140143 is 341041210320404.

It is an interprime number because it is at equal distance from previous prime (404023012140113) and next prime (404023012140173).

It is not a de Polignac number, because 404023012140143 - 2¹⁸ = 404023011877999 is a prime.

It is a super-2 number, since 2×404023012140143² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404023012140113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60220823 + ... + 66592743.

It is an arithmetic number, because the mean of its divisors is an integer number (18584921178180).

Almost surely, 2^{404023012140143} is an apocalyptic number.

404023012140143 is a deficient number, since it is larger than the sum of its proper divisors (42015096136177).

404023012140143 is a wasteful number, since it uses less digits than its factorization.

404023012140143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6374239 (or 6374228 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 404023012140143 its reverse (341041210320404), we get a palindrome (745064222460547).

The spelling of 404023012140143 in words is "four hundred four trillion, twenty-three billion, twelve million, one hundred forty thousand, one hundred forty-three".