1046640223523 has 16 divisors (see below), whose sum is σ = 1056487421184. Its totient is φ = 1036836028800.

The previous prime is 1046640223501. The next prime is 1046640223549. The reversal of 1046640223523 is 3253220466401.

It is a cyclic number.

It is not a de Polignac number, because 1046640223523 - 2¹⁴ = 1046640207139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1046640223723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205745486 + ... + 205750572.

It is an arithmetic number, because the mean of its divisors is an integer number (66030463824).

Almost surely, 2^{1046640223523} is an apocalyptic number.

1046640223523 is a deficient number, since it is larger than the sum of its proper divisors (9847197661).

1046640223523 is a wasteful number, since it uses less digits than its factorization.

1046640223523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8942.

The product of its (nonzero) digits is 207360, while the sum is 38.

Adding to 1046640223523 its reverse (3253220466401), we get a palindrome (4299860689924).

The spelling of 1046640223523 in words is "one trillion, forty-six billion, six hundred forty million, two hundred twenty-three thousand, five hundred twenty-three".