1023148893 has 64 divisors (see below), whose sum is σ = 1631895552. Its totient is φ = 564157440.

The previous prime is 1023148849. The next prime is 1023148897. The reversal of 1023148893 is 3988413201.

It is not a de Polignac number, because 1023148893 - 2⁹ = 1023148381 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023148897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1376680 + ... + 1377422.

It is an arithmetic number, because the mean of its divisors is an integer number (25498368).

Almost surely, 2^1023148893 is an apocalyptic number.

1023148893 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1023148893 is a deficient number, since it is larger than the sum of its proper divisors (608746659).

1023148893 is a wasteful number, since it uses less digits than its factorization.

1023148893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 874.

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 1023148893 is about 31986.6986886737. The cubic root of 1023148893 is about 1007.6575105269.

The spelling of 1023148893 in words is "one billion, twenty-three million, one hundred forty-eight thousand, eight hundred ninety-three".