1304023069 has 2 divisors, whose sum is σ = 1304023070. Its totient is φ = 1304023068.

The previous prime is 1304023057. The next prime is 1304023073. The reversal of 1304023069 is 9603204031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1188180900 + 115842169 = 34470^2 + 10763^2 .

It is a cyclic number.

It is not a de Polignac number, because 1304023069 - 2⁹ = 1304022557 is a prime.

It is a super-2 number, since 2×1304023069² = 3400952328968357522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1304023009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 652011534 + 652011535.

It is an arithmetic number, because the mean of its divisors is an integer number (652011535).

Almost surely, 2^1304023069 is an apocalyptic number.

It is an amenable number.

1304023069 is a deficient number, since it is larger than the sum of its proper divisors (1).

1304023069 is an equidigital number, since it uses as much as digits as its factorization.

1304023069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 1304023069 is about 36111.2595875580. The cubic root of 1304023069 is about 1092.5175567385.

The spelling of 1304023069 in words is "one billion, three hundred four million, twenty-three thousand, sixty-nine".