456661522023 has 32 divisors (see below), whose sum is σ = 724919569920. Its totient is φ = 250269795840.

The previous prime is 456661522019. The next prime is 456661522043. The reversal of 456661522023 is 320225166654.

It is not a de Polignac number, because 456661522023 - 2² = 456661522019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (456661522003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4443990 + ... + 4545587.

It is an arithmetic number, because the mean of its divisors is an integer number (22653736560).

Almost surely, 2^456661522023 is an apocalyptic number.

456661522023 is a deficient number, since it is larger than the sum of its proper divisors (268258047897).

456661522023 is a wasteful number, since it uses less digits than its factorization.

456661522023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8989687.

The product of its (nonzero) digits is 518400, while the sum is 42.

Adding to 456661522023 its reverse (320225166654), we get a palindrome (776886688677).

The spelling of 456661522023 in words is "four hundred fifty-six billion, six hundred sixty-one million, five hundred twenty-two thousand, twenty-three".