1542433223 has 2 divisors, whose sum is σ = 1542433224. Its totient is φ = 1542433222.

The previous prime is 1542433213. The next prime is 1542433301. The reversal of 1542433223 is 3223342451.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1542433223 - 2¹⁴ = 1542416839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1542433213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 771216611 + 771216612.

It is an arithmetic number, because the mean of its divisors is an integer number (771216612).

Almost surely, 2^1542433223 is an apocalyptic number.

1542433223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1542433223 is an equidigital number, since it uses as much as digits as its factorization.

1542433223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 29.

The square root of 1542433223 is about 39273.8236361065. The cubic root of 1542433223 is about 1155.4082308506.

Adding to 1542433223 its reverse (3223342451), we get a palindrome (4765775674).

The spelling of 1542433223 in words is "one billion, five hundred forty-two million, four hundred thirty-three thousand, two hundred twenty-three".