1361204723 has 2 divisors, whose sum is σ = 1361204724. Its totient is φ = 1361204722.

The previous prime is 1361204641. The next prime is 1361204827. The reversal of 1361204723 is 3274021631.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1361204723 - 2¹⁰ = 1361203699 is a prime.

It is not a weakly prime, because it can be changed into another prime (1361204123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 680602361 + 680602362.

It is an arithmetic number, because the mean of its divisors is an integer number (680602362).

Almost surely, 2^1361204723 is an apocalyptic number.

1361204723 is a deficient number, since it is larger than the sum of its proper divisors (1).

1361204723 is an equidigital number, since it uses as much as digits as its factorization.

1361204723 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 1361204723 is about 36894.5080330393. The cubic root of 1361204723 is about 1108.2586995905.

The spelling of 1361204723 in words is "one billion, three hundred sixty-one million, two hundred four thousand, seven hundred twenty-three".