1101623317 has 2 divisors, whose sum is σ = 1101623318. Its totient is φ = 1101623316.

The previous prime is 1101623297. The next prime is 1101623323. The reversal of 1101623317 is 7133261011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 718990596 + 382632721 = 26814^2 + 19561^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1101623317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1101623291 and 1101623300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1101624317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550811658 + 550811659.

It is an arithmetic number, because the mean of its divisors is an integer number (550811659).

Almost surely, 2^1101623317 is an apocalyptic number.

It is an amenable number.

1101623317 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101623317 is an equidigital number, since it uses as much as digits as its factorization.

1101623317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 1101623317 is about 33190.7113060266. The cubic root of 1101623317 is about 1032.7876591612.

Adding to 1101623317 its reverse (7133261011), we get a palindrome (8234884328).

The spelling of 1101623317 in words is "one billion, one hundred one million, six hundred twenty-three thousand, three hundred seventeen".