404023311020135 has 8 divisors (see below), whose sum is σ = 484887163600896. Its totient is φ = 323179188564960.

The previous prime is 404023311020101. The next prime is 404023311020149. The reversal of 404023311020135 is 531020113320404.

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

It is not a de Polignac number, because 404023311020135 - 2¹⁸ = 404023310757991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 404023311020098 and 404023311020107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4932486344 + ... + 4932568253.

It is an arithmetic number, because the mean of its divisors is an integer number (60610895450112).

Almost surely, 2^{404023311020135} is an apocalyptic number.

404023311020135 is a deficient number, since it is larger than the sum of its proper divisors (80863852580761).

404023311020135 is an equidigital number, since it uses as much as digits as its factorization.

404023311020135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9865062793.

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 404023311020135 its reverse (531020113320404), we get a palindrome (935043424340539).

The spelling of 404023311020135 in words is "four hundred four trillion, twenty-three billion, three hundred eleven million, twenty thousand, one hundred thirty-five".