1043455823 has 2 divisors, whose sum is σ = 1043455824. Its totient is φ = 1043455822.

The previous prime is 1043455807. The next prime is 1043455843. The reversal of 1043455823 is 3285543401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1043455823 - 2⁴ = 1043455807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1043455843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521727911 + 521727912.

It is an arithmetic number, because the mean of its divisors is an integer number (521727912).

Almost surely, 2^1043455823 is an apocalyptic number.

1043455823 is a deficient number, since it is larger than the sum of its proper divisors (1).

1043455823 is an equidigital number, since it uses as much as digits as its factorization.

1043455823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57600, while the sum is 35.

The square root of 1043455823 is about 32302.5668175147. The cubic root of 1043455823 is about 1014.2803745093.

The spelling of 1043455823 in words is "one billion, forty-three million, four hundred fifty-five thousand, eight hundred twenty-three".