1023943464 has 64 divisors (see below), whose sum is σ = 2897985600. Its totient is φ = 334870848.

The previous prime is 1023943447. The next prime is 1023943523. The reversal of 1023943464 is 4643493201.

It is a happy number.

1023943464 is a `hidden beast` number, since 102 + 3 + 94 + 3 + 464 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33274 + ... + 56169.

It is an arithmetic number, because the mean of its divisors is an integer number (45281025).

Almost surely, 2^1023943464 is an apocalyptic number.

It is an amenable number.

1023943464 is an abundant number, since it is smaller than the sum of its proper divisors (1874042136).

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

1023943464 is a wasteful number, since it uses less digits than its factorization.

1023943464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89511 (or 89501 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The square root of 1023943464 is about 31999.1166128067. The cubic root of 1023943464 is about 1007.9182898619.

The spelling of 1023943464 in words is "one billion, twenty-three million, nine hundred forty-three thousand, four hundred sixty-four".