1365841123 has 2 divisors, whose sum is σ = 1365841124. Its totient is φ = 1365841122.

The previous prime is 1365841097. The next prime is 1365841133. The reversal of 1365841123 is 3211485631.

It is a strong prime.

It is an emirp because it is prime and its reverse (3211485631) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1365841123 is a prime.

It is a super-2 number, since 2×1365841123² = 3731043946555802258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1365841133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 682920561 + 682920562.

It is an arithmetic number, because the mean of its divisors is an integer number (682920562).

Almost surely, 2^1365841123 is an apocalyptic number.

1365841123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1365841123 is an equidigital number, since it uses as much as digits as its factorization.

1365841123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 34.

The square root of 1365841123 is about 36957.2878198604. The cubic root of 1365841123 is about 1109.5155538247.

The spelling of 1365841123 in words is "one billion, three hundred sixty-five million, eight hundred forty-one thousand, one hundred twenty-three".