1111423507 has 2 divisors, whose sum is σ = 1111423508. Its totient is φ = 1111423506.

The previous prime is 1111423483. The next prime is 1111423513. The reversal of 1111423507 is 7053241111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1111423507 - 2²³ = 1103034899 is a prime.

It is not a weakly prime, because it can be changed into another prime (1111423207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555711753 + 555711754.

It is an arithmetic number, because the mean of its divisors is an integer number (555711754).

Almost surely, 2^1111423507 is an apocalyptic number.

1111423507 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111423507 is an equidigital number, since it uses as much as digits as its factorization.

1111423507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 1111423507 is about 33338.0189423427. The cubic root of 1111423507 is about 1035.8412282216.

Adding to 1111423507 its reverse (7053241111), we get a palindrome (8164664618).

The spelling of 1111423507 in words is "one billion, one hundred eleven million, four hundred twenty-three thousand, five hundred seven".