100142623 has 16 divisors (see below), whose sum is σ = 119649600. Its totient is φ = 83731200.

The previous prime is 100142593. The next prime is 100142659. The reversal of 100142623 is 326241001.

It is not a de Polignac number, because 100142623 - 2⁵ = 100142591 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100142623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100142123) 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, 10503 + ... + 17623.

It is an arithmetic number, because the mean of its divisors is an integer number (7478100).

Almost surely, 2^100142623 is an apocalyptic number.

100142623 is a deficient number, since it is larger than the sum of its proper divisors (19506977).

100142623 is an frugal number, since it uses more digits than its factorization.

100142623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7183 (or 7169 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 100142623 is about 10007.1286091466. The cubic root of 100142623 is about 464.3794443123.

Adding to 100142623 its reverse (326241001), we get a palindrome (426383624).

The spelling of 100142623 in words is "one hundred million, one hundred forty-two thousand, six hundred twenty-three".