142623663 has 36 divisors (see below), whose sum is σ = 239579208. Its totient is φ = 75216960.

The previous prime is 142623661. The next prime is 142623683. The reversal of 142623663 is 366326241.

It is not a de Polignac number, because 142623663 - 2¹ = 142623661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142623661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 21973 + ... + 27713.

It is an arithmetic number, because the mean of its divisors is an integer number (6654978).

Almost surely, 2^142623663 is an apocalyptic number.

142623663 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

142623663 is a deficient number, since it is larger than the sum of its proper divisors (96955545).

142623663 is a wasteful number, since it uses less digits than its factorization.

142623663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5784 (or 5764 counting only the distinct ones).

The product of its digits is 31104, while the sum is 33.

The square root of 142623663 is about 11942.5149361431. The cubic root of 142623663 is about 522.4730118918.

The spelling of 142623663 in words is "one hundred forty-two million, six hundred twenty-three thousand, six hundred sixty-three".