1357807123 has 2 divisors, whose sum is σ = 1357807124. Its totient is φ = 1357807122.

The previous prime is 1357807063. The next prime is 1357807133. The reversal of 1357807123 is 3217087531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1357807123 - 2¹⁷ = 1357676051 is a prime.

It is not a weakly prime, because it can be changed into another prime (1357807133) 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, 678903561 + 678903562.

It is an arithmetic number, because the mean of its divisors is an integer number (678903562).

Almost surely, 2^1357807123 is an apocalyptic number.

1357807123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1357807123 is an equidigital number, since it uses as much as digits as its factorization.

1357807123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 1357807123 is about 36848.4344714942. The cubic root of 1357807123 is about 1107.3358511497.

The spelling of 1357807123 in words is "one billion, three hundred fifty-seven million, eight hundred seven thousand, one hundred twenty-three".