10404642523 has 4 divisors (see below), whose sum is σ = 11350519128. Its totient is φ = 9458765920.

The previous prime is 10404642463. The next prime is 10404642539. The reversal of 10404642523 is 32524640401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10404642523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10404642223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 472938286 + ... + 472938307.

It is an arithmetic number, because the mean of its divisors is an integer number (2837629782).

Almost surely, 2^10404642523 is an apocalyptic number.

10404642523 is a deficient number, since it is larger than the sum of its proper divisors (945876605).

10404642523 is an equidigital number, since it uses as much as digits as its factorization.

10404642523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945876604.

The product of its (nonzero) digits is 23040, while the sum is 31.

The spelling of 10404642523 in words is "ten billion, four hundred four million, six hundred forty-two thousand, five hundred twenty-three".