1023796257 has 8 divisors (see below), whose sum is σ = 1489158240. Its totient is φ = 620482560.

The previous prime is 1023796231. The next prime is 1023796259. The reversal of 1023796257 is 7526973201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1023796257 - 2¹¹ = 1023794209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1023796259) 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 7 ways as a sum of consecutive naturals, for example, 15512032 + ... + 15512097.

It is an arithmetic number, because the mean of its divisors is an integer number (186144780).

Almost surely, 2^1023796257 is an apocalyptic number.

It is an amenable number.

1023796257 is a deficient number, since it is larger than the sum of its proper divisors (465361983).

1023796257 is a wasteful number, since it uses less digits than its factorization.

1023796257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31024143.

The product of its (nonzero) digits is 158760, while the sum is 42.

The square root of 1023796257 is about 31996.8163572565. The cubic root of 1023796257 is about 1007.8699864989.

The spelling of 1023796257 in words is "one billion, twenty-three million, seven hundred ninety-six thousand, two hundred fifty-seven".