1043123453 has 8 divisors (see below), whose sum is σ = 1058189496. Its totient is φ = 1028160000.

The previous prime is 1043123441. The next prime is 1043123483. The reversal of 1043123453 is 3543213401.

It can be written as a sum of positive squares in 4 ways, for example, as 12264004 + 1030859449 = 3502^2 + 32107^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1043123453 - 2⁴ = 1043123437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1043123483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5048 + ... + 45953.

It is an arithmetic number, because the mean of its divisors is an integer number (132273687).

Almost surely, 2^1043123453 is an apocalyptic number.

It is an amenable number.

1043123453 is a deficient number, since it is larger than the sum of its proper divisors (15066043).

1043123453 is a wasteful number, since it uses less digits than its factorization.

1043123453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51295.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 1043123453 is about 32297.4217701661. The cubic root of 1043123453 is about 1014.1726708063.

Adding to 1043123453 its reverse (3543213401), we get a palindrome (4586336854).

The spelling of 1043123453 in words is "one billion, forty-three million, one hundred twenty-three thousand, four hundred fifty-three".