1123719953 has 2 divisors, whose sum is σ = 1123719954. Its totient is φ = 1123719952.

The previous prime is 1123719931. The next prime is 1123719967. The reversal of 1123719953 is 3599173211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1098789904 + 24930049 = 33148^2 + 4993^2 .

It is a cyclic number.

It is not a de Polignac number, because 1123719953 - 2¹⁶ = 1123654417 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1123719953.

It is not a weakly prime, because it can be changed into another prime (1123719973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561859976 + 561859977.

It is an arithmetic number, because the mean of its divisors is an integer number (561859977).

Almost surely, 2^1123719953 is an apocalyptic number.

It is an amenable number.

1123719953 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123719953 is an equidigital number, since it uses as much as digits as its factorization.

1123719953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51030, while the sum is 41.

The square root of 1123719953 is about 33521.9324174487. The cubic root of 1123719953 is about 1039.6473018147.

The spelling of 1123719953 in words is "one billion, one hundred twenty-three million, seven hundred nineteen thousand, nine hundred fifty-three".