100623551053 has 4 divisors (see below), whose sum is σ = 100631672380. Its totient is φ = 100615429728.

The previous prime is 100623551047. The next prime is 100623551081. The reversal of 100623551053 is 350155326001.

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

It can be written as a sum of positive squares in 2 ways, for example, as 51763985289 + 48859565764 = 227517^2 + 221042^2 .

It is a cyclic number.

It is not a de Polignac number, because 100623551053 - 2³³ = 92033616461 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 (100623551753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4042050 + ... + 4066867.

It is an arithmetic number, because the mean of its divisors is an integer number (25157918095).

Almost surely, 2^100623551053 is an apocalyptic number.

It is an amenable number.

100623551053 is a deficient number, since it is larger than the sum of its proper divisors (8121327).

100623551053 is an equidigital number, since it uses as much as digits as its factorization.

100623551053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8121326.

The product of its (nonzero) digits is 13500, while the sum is 31.

Adding to 100623551053 its reverse (350155326001), we get a palindrome (450778877054).

The spelling of 100623551053 in words is "one hundred billion, six hundred twenty-three million, five hundred fifty-one thousand, fifty-three".