1023797029 has 4 divisors (see below), whose sum is σ = 1030668300. Its totient is φ = 1016925760.

The previous prime is 1023797017. The next prime is 1023797039. The reversal of 1023797029 is 9207973201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9207973201 = 7 ⋅1315424743.

It can be written as a sum of positive squares in 2 ways, for example, as 476330625 + 547466404 = 21825^2 + 23398^2 .

It is a cyclic number.

It is not a de Polignac number, because 1023797029 - 2⁹ = 1023796517 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1023796982 and 1023797000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023797009) 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, 3435412 + ... + 3435709.

It is an arithmetic number, because the mean of its divisors is an integer number (257667075).

Almost surely, 2^1023797029 is an apocalyptic number.

It is an amenable number.

1023797029 is a deficient number, since it is larger than the sum of its proper divisors (6871271).

1023797029 is an equidigital number, since it uses as much as digits as its factorization.

1023797029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6871270.

The product of its (nonzero) digits is 47628, while the sum is 40.

The square root of 1023797029 is about 31996.8284209545. The cubic root of 1023797029 is about 1007.8702398290.

The spelling of 1023797029 in words is "one billion, twenty-three million, seven hundred ninety-seven thousand, twenty-nine".