1341423557 has 2 divisors, whose sum is σ = 1341423558. Its totient is φ = 1341423556.

The previous prime is 1341423491. The next prime is 1341423563. The reversal of 1341423557 is 7553241431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1324523236 + 16900321 = 36394^2 + 4111^2 .

It is a cyclic number.

It is not a de Polignac number, because 1341423557 - 2¹⁸ = 1341161413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1341420557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670711778 + 670711779.

It is an arithmetic number, because the mean of its divisors is an integer number (670711779).

Almost surely, 2^1341423557 is an apocalyptic number.

It is an amenable number.

1341423557 is a deficient number, since it is larger than the sum of its proper divisors (1).

1341423557 is an equidigital number, since it uses as much as digits as its factorization.

1341423557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 50400, while the sum is 35.

The square root of 1341423557 is about 36625.4495808584. The cubic root of 1341423557 is about 1102.8640398120.

Adding to 1341423557 its reverse (7553241431), we get a palindrome (8894664988).

The spelling of 1341423557 in words is "one billion, three hundred forty-one million, four hundred twenty-three thousand, five hundred fifty-seven".