1304567123 has 2 divisors, whose sum is σ = 1304567124. Its totient is φ = 1304567122.

The previous prime is 1304567087. The next prime is 1304567177. The reversal of 1304567123 is 3217654031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1304567123 - 2¹² = 1304563027 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1304567123.

It is not a weakly prime, because it can be changed into another prime (1304567023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 652283561 + 652283562.

It is an arithmetic number, because the mean of its divisors is an integer number (652283562).

Almost surely, 2^1304567123 is an apocalyptic number.

1304567123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1304567123 is an equidigital number, since it uses as much as digits as its factorization.

1304567123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 1304567123 is about 36118.7918264163. The cubic root of 1304567123 is about 1092.6694727380.

The spelling of 1304567123 in words is "one billion, three hundred four million, five hundred sixty-seven thousand, one hundred twenty-three".