1372735223 has 2 divisors, whose sum is σ = 1372735224. Its totient is φ = 1372735222.

The previous prime is 1372735219. The next prime is 1372735267. The reversal of 1372735223 is 3225372731.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1372735223 - 2² = 1372735219 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1372735283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 686367611 + 686367612.

It is an arithmetic number, because the mean of its divisors is an integer number (686367612).

Almost surely, 2^1372735223 is an apocalyptic number.

1372735223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1372735223 is an equidigital number, since it uses as much as digits as its factorization.

1372735223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52920, while the sum is 35.

The square root of 1372735223 is about 37050.4416033062. The cubic root of 1372735223 is about 1111.3791862677.

The spelling of 1372735223 in words is "one billion, three hundred seventy-two million, seven hundred thirty-five thousand, two hundred twenty-three".