1535222423 has 16 divisors (see below), whose sum is σ = 1835512320. Its totient is φ = 1255468896.

The previous prime is 1535222419. The next prime is 1535222449. The reversal of 1535222423 is 3242225351.

It is a cyclic number.

It is not a de Polignac number, because 1535222423 - 2² = 1535222419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1535222453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51908 + ... + 75926.

It is an arithmetic number, because the mean of its divisors is an integer number (114719520).

Almost surely, 2^1535222423 is an apocalyptic number.

1535222423 is a deficient number, since it is larger than the sum of its proper divisors (300289897).

1535222423 is a wasteful number, since it uses less digits than its factorization.

1535222423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24446.

The product of its digits is 14400, while the sum is 29.

The square root of 1535222423 is about 39181.9144887026. The cubic root of 1535222423 is about 1153.6049254494.

Adding to 1535222423 its reverse (3242225351), we get a palindrome (4777447774).

The spelling of 1535222423 in words is "one billion, five hundred thirty-five million, two hundred twenty-two thousand, four hundred twenty-three".