1105542523 has 2 divisors, whose sum is σ = 1105542524. Its totient is φ = 1105542522.

The previous prime is 1105542517. The next prime is 1105542547. The reversal of 1105542523 is 3252455011.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1105542523 is a prime.

It is a super-2 number, since 2×1105542523² = 2444448540322411058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1105542491 and 1105542500.

It is not a weakly prime, because it can be changed into another prime (1105542583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 552771261 + 552771262.

It is an arithmetic number, because the mean of its divisors is an integer number (552771262).

Almost surely, 2^1105542523 is an apocalyptic number.

1105542523 is a deficient number, since it is larger than the sum of its proper divisors (1).

1105542523 is an equidigital number, since it uses as much as digits as its factorization.

1105542523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 1105542523 is about 33249.6995926279. The cubic root of 1105542523 is about 1034.0109801956.

Adding to 1105542523 its reverse (3252455011), we get a palindrome (4357997534).

The spelling of 1105542523 in words is "one billion, one hundred five million, five hundred forty-two thousand, five hundred twenty-three".