1202623543 has 16 divisors (see below), whose sum is σ = 1349789184. Its totient is φ = 1061868960.

The previous prime is 1202623529. The next prime is 1202623547. The reversal of 1202623543 is 3453262021.

It is a cyclic number.

It is not a de Polignac number, because 1202623543 - 2¹⁷ = 1202492471 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 (1202623547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 261046 + ... + 265612.

It is an arithmetic number, because the mean of its divisors is an integer number (84361824).

Almost surely, 2^1202623543 is an apocalyptic number.

1202623543 is a deficient number, since it is larger than the sum of its proper divisors (147165641).

1202623543 is a wasteful number, since it uses less digits than its factorization.

1202623543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5262.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 1202623543 is about 34678.8630580646. The cubic root of 1202623543 is about 1063.4324306207.

Adding to 1202623543 its reverse (3453262021), we get a palindrome (4655885564).

The spelling of 1202623543 in words is "one billion, two hundred two million, six hundred twenty-three thousand, five hundred forty-three".