1023042997 has 8 divisors (see below), whose sum is σ = 1056412160. Its totient is φ = 989696880.

The previous prime is 1023042989. The next prime is 1023043001. The reversal of 1023042997 is 7992403201.

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

It is a cyclic number.

It is not a de Polignac number, because 1023042997 - 2³ = 1023042989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023042907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171379 + ... + 177247.

It is an arithmetic number, because the mean of its divisors is an integer number (132051520).

Almost surely, 2^1023042997 is an apocalyptic number.

It is an amenable number.

1023042997 is a deficient number, since it is larger than the sum of its proper divisors (33369163).

1023042997 is an equidigital number, since it uses as much as digits as its factorization.

1023042997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11523.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 1023042997 is about 31985.0433327829. The cubic root of 1023042997 is about 1007.6227451139.

The spelling of 1023042997 in words is "one billion, twenty-three million, forty-two thousand, nine hundred ninety-seven".