1023214144 has 28 divisors (see below), whose sum is σ = 2137308400. Its totient is φ = 484679808.

The previous prime is 1023214109. The next prime is 1023214147. The reversal of 1023214144 is 4414123201.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1023214147) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 419514 + ... + 421945.

Almost surely, 2^1023214144 is an apocalyptic number.

It is an amenable number.

1023214144 is an abundant number, since it is smaller than the sum of its proper divisors (1114094256).

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

1023214144 is an equidigital number, since it uses as much as digits as its factorization.

1023214144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841490 (or 841480 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1023214144 is about 31987.7186432543. The cubic root of 1023214144 is about 1007.6789310855.

Adding to 1023214144 its reverse (4414123201), we get a palindrome (5437337345).

The spelling of 1023214144 in words is "one billion, twenty-three million, two hundred fourteen thousand, one hundred forty-four".