1023450666 has 16 divisors (see below), whose sum is σ = 2339315904. Its totient is φ = 292414464.

The previous prime is 1023450641. The next prime is 1023450671. The reversal of 1023450666 is 6660543201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12183895 + ... + 12183978.

It is an arithmetic number, because the mean of its divisors is an integer number (146207244).

Almost surely, 2^1023450666 is an apocalyptic number.

1023450666 is an abundant number, since it is smaller than the sum of its proper divisors (1315865238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1023450666 is a wasteful number, since it uses less digits than its factorization.

1023450666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24367885.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 1023450666 is about 31991.4155047882. The cubic root of 1023450666 is about 1007.7565687515.

Adding to 1023450666 its reverse (6660543201), we get a palindrome (7683993867).

The spelling of 1023450666 in words is "one billion, twenty-three million, four hundred fifty thousand, six hundred sixty-six".