1553041223 has 2 divisors, whose sum is σ = 1553041224. Its totient is φ = 1553041222.

The previous prime is 1553041211. The next prime is 1553041261. The reversal of 1553041223 is 3221403551.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1553041223 - 2⁶ = 1553041159 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1553041192 and 1553041201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1553041283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 776520611 + 776520612.

It is an arithmetic number, because the mean of its divisors is an integer number (776520612).

Almost surely, 2^1553041223 is an apocalyptic number.

1553041223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1553041223 is an equidigital number, since it uses as much as digits as its factorization.

1553041223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 1553041223 is about 39408.6440137186. The cubic root of 1553041223 is about 1158.0509340016.

Adding to 1553041223 its reverse (3221403551), we get a palindrome (4774444774).

The spelling of 1553041223 in words is "one billion, five hundred fifty-three million, forty-one thousand, two hundred twenty-three".