1023303091 has 2 divisors, whose sum is σ = 1023303092. Its totient is φ = 1023303090.

The previous prime is 1023303067. The next prime is 1023303103. The reversal of 1023303091 is 1903033201.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1023303091 is a prime.

It is not a weakly prime, because it can be changed into another prime (1023303031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511651545 + 511651546.

It is an arithmetic number, because the mean of its divisors is an integer number (511651546).

Almost surely, 2^1023303091 is an apocalyptic number.

1023303091 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023303091 is an equidigital number, since it uses as much as digits as its factorization.

1023303091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 22.

The square root of 1023303091 is about 31989.1089435139. The cubic root of 1023303091 is about 1007.7081290858.

Adding to 1023303091 its reverse (1903033201), we get a palindrome (2926336292).

The spelling of 1023303091 in words is "one billion, twenty-three million, three hundred three thousand, ninety-one".