1023796387 has 4 divisors (see below), whose sum is σ = 1024138080. Its totient is φ = 1023454696.

The previous prime is 1023796373. The next prime is 1023796409. The reversal of 1023796387 is 7836973201.

It is a happy number.

1023796387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7836973201 = 241 ⋅32518561.

It is a cyclic number.

It is not a de Polignac number, because 1023796387 - 2⁷ = 1023796259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1023796337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166312 + ... + 172357.

It is an arithmetic number, because the mean of its divisors is an integer number (256034520).

Almost surely, 2^1023796387 is an apocalyptic number.

1023796387 is a deficient number, since it is larger than the sum of its proper divisors (341693).

1023796387 is an equidigital number, since it uses as much as digits as its factorization.

1023796387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341692.

The product of its (nonzero) digits is 381024, while the sum is 46.

The square root of 1023796387 is about 31996.8183887086. The cubic root of 1023796387 is about 1007.8700291581.

The spelling of 1023796387 in words is "one billion, twenty-three million, seven hundred ninety-six thousand, three hundred eighty-seven".