100478805615923 has 8 divisors (see below), whose sum is σ = 114835370743392. Its totient is φ = 86122852998336.

The previous prime is 100478805615899. The next prime is 100478805615949. The reversal of 100478805615923 is 329516508874001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 100478805615923 - 2⁸ = 100478805615667 is a prime.

It is a super-2 number, since 2×100478805615923² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100478805215923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152775890 + ... + 153432167.

It is an arithmetic number, because the mean of its divisors is an integer number (14354421342924).

It is a 2-persistent number, because it is pandigital, and so is 2⋅100478805615923 = 200957611231846, but 3⋅100478805615923 = 301436416847769 is not.

Almost surely, 2^{100478805615923} is an apocalyptic number.

100478805615923 is a deficient number, since it is larger than the sum of its proper divisors (14356565127469).

100478805615923 is an equidigital number, since it uses as much as digits as its factorization.

100478805615923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306254941.

The product of its (nonzero) digits is 14515200, while the sum is 59.

The spelling of 100478805615923 in words is "one hundred trillion, four hundred seventy-eight billion, eight hundred five million, six hundred fifteen thousand, nine hundred twenty-three".