1125343423 has 2 divisors, whose sum is σ = 1125343424. Its totient is φ = 1125343422.

The previous prime is 1125343319. The next prime is 1125343451. The reversal of 1125343423 is 3243435211.

It is a happy number.

It is an a-pointer prime, because the next prime (1125343451) can be obtained adding 1125343423 to its sum of digits (28).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1125343423 - 2¹⁷ = 1125212351 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1125343391 and 1125343400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1125383423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562671711 + 562671712.

It is an arithmetic number, because the mean of its divisors is an integer number (562671712).

Almost surely, 2^1125343423 is an apocalyptic number.

1125343423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1125343423 is an equidigital number, since it uses as much as digits as its factorization.

1125343423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 28.

The square root of 1125343423 is about 33546.1387196798. The cubic root of 1125343423 is about 1040.1477301853.

Adding to 1125343423 its reverse (3243435211), we get a palindrome (4368778634).

The spelling of 1125343423 in words is "one billion, one hundred twenty-five million, three hundred forty-three thousand, four hundred twenty-three".