1102611623 has 2 divisors, whose sum is σ = 1102611624. Its totient is φ = 1102611622.

The previous prime is 1102611613. The next prime is 1102611649. The reversal of 1102611623 is 3261162011.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1102611623 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1102611613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551305811 + 551305812.

It is an arithmetic number, because the mean of its divisors is an integer number (551305812).

Almost surely, 2^1102611623 is an apocalyptic number.

1102611623 is a deficient number, since it is larger than the sum of its proper divisors (1).

1102611623 is an equidigital number, since it uses as much as digits as its factorization.

1102611623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 1102611623 is about 33205.5962602691. The cubic root of 1102611623 is about 1033.0964171967.

Adding to 1102611623 its reverse (3261162011), we get a palindrome (4363773634).

The spelling of 1102611623 in words is "one billion, one hundred two million, six hundred eleven thousand, six hundred twenty-three".