1020196323 has 8 divisors (see below), whose sum is σ = 1511402000. Its totient is φ = 680130864.

The previous prime is 1020196271. The next prime is 1020196381. The reversal of 1020196323 is 3236910201.

1020196323 is a `hidden beast` number, since 1 + 0 + 20 + 1 + 9 + 632 + 3 = 666.

It is not a de Polignac number, because 1020196323 - 2⁹ = 1020195811 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 37785049 = 1020196323 / (1 + 0 + 2 + 0 + 1 + 9 + 6 + 3 + 2 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020196123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18892498 + ... + 18892551.

It is an arithmetic number, because the mean of its divisors is an integer number (188925250).

Almost surely, 2^1020196323 is an apocalyptic number.

1020196323 is a deficient number, since it is larger than the sum of its proper divisors (491205677).

1020196323 is an equidigital number, since it uses as much as digits as its factorization.

1020196323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37785058 (or 37785052 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 1020196323 is about 31940.5122532498. The cubic root of 1020196323 is about 1006.6872881590.

The spelling of 1020196323 in words is "one billion, twenty million, one hundred ninety-six thousand, three hundred twenty-three".