1555034023 has 2 divisors, whose sum is σ = 1555034024. Its totient is φ = 1555034022.

The previous prime is 1555034017. The next prime is 1555034083. The reversal of 1555034023 is 3204305551.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1555034023 - 2¹³ = 1555025831 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1555033982 and 1555034000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1555034083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 777517011 + 777517012.

It is an arithmetic number, because the mean of its divisors is an integer number (777517012).

Almost surely, 2^1555034023 is an apocalyptic number.

1555034023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1555034023 is an equidigital number, since it uses as much as digits as its factorization.

1555034023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 1555034023 is about 39433.9197011913. The cubic root of 1555034023 is about 1158.5460437457.

Adding to 1555034023 its reverse (3204305551), we get a palindrome (4759339574).

The spelling of 1555034023 in words is "one billion, five hundred fifty-five million, thirty-four thousand, twenty-three".