100623142 has 4 divisors (see below), whose sum is σ = 150934716. Its totient is φ = 50311570.

The previous prime is 100623101. The next prime is 100623161. The reversal of 100623142 is 241326001.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 25155784 + ... + 25155787.

It is an arithmetic number, because the mean of its divisors is an integer number (37733679).

Almost surely, 2^100623142 is an apocalyptic number.

100623142 is a deficient number, since it is larger than the sum of its proper divisors (50311574).

100623142 is an equidigital number, since it uses as much as digits as its factorization.

100623142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50311573.

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

The square root of 100623142 is about 10031.1087124006. The cubic root of 100623142 is about 465.1210106300.

Adding to 100623142 its reverse (241326001), we get a palindrome (341949143).

The spelling of 100623142 in words is "one hundred million, six hundred twenty-three thousand, one hundred forty-two".