1553200423 has 2 divisors, whose sum is σ = 1553200424. Its totient is φ = 1553200422.

The previous prime is 1553200309. The next prime is 1553200447. The reversal of 1553200423 is 3240023551.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1553200423 - 2⁹ = 1553199911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1553200723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 776600211 + 776600212.

It is an arithmetic number, because the mean of its divisors is an integer number (776600212).

Almost surely, 2^1553200423 is an apocalyptic number.

1553200423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1553200423 is an equidigital number, since it uses as much as digits as its factorization.

1553200423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 1553200423 is about 39410.6638233867. The cubic root of 1553200423 is about 1158.0905026893.

Adding to 1553200423 its reverse (3240023551), we get a palindrome (4793223974).

The spelling of 1553200423 in words is "one billion, five hundred fifty-three million, two hundred thousand, four hundred twenty-three".