1154023043 has 2 divisors, whose sum is σ = 1154023044. Its totient is φ = 1154023042.

The previous prime is 1154023037. The next prime is 1154023061. The reversal of 1154023043 is 3403204511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1154023043 - 2¹⁶ = 1153957507 is a prime.

It is not a weakly prime, because it can be changed into another prime (1154023093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 577011521 + 577011522.

It is an arithmetic number, because the mean of its divisors is an integer number (577011522).

Almost surely, 2^1154023043 is an apocalyptic number.

1154023043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1154023043 is an equidigital number, since it uses as much as digits as its factorization.

1154023043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1154023043 is about 33970.9146623991. The cubic root of 1154023043 is about 1048.9098414790.

Adding to 1154023043 its reverse (3403204511), we get a palindrome (4557227554).

The spelling of 1154023043 in words is "one billion, one hundred fifty-four million, twenty-three thousand, forty-three".