1115402423 has 2 divisors, whose sum is σ = 1115402424. Its totient is φ = 1115402422.

The previous prime is 1115402401. The next prime is 1115402441. The reversal of 1115402423 is 3242045111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1115402423 - 2¹² = 1115398327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1115401423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 557701211 + 557701212.

It is an arithmetic number, because the mean of its divisors is an integer number (557701212).

Almost surely, 2^1115402423 is an apocalyptic number.

1115402423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1115402423 is an equidigital number, since it uses as much as digits as its factorization.

1115402423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 1115402423 is about 33397.6409795662. The cubic root of 1115402423 is about 1037.0758660806.

Adding to 1115402423 its reverse (3242045111), we get a palindrome (4357447534).

The spelling of 1115402423 in words is "one billion, one hundred fifteen million, four hundred two thousand, four hundred twenty-three".