100646233 has 4 divisors (see below), whose sum is σ = 101586960. Its totient is φ = 99705508.

The previous prime is 100646209. The next prime is 100646281. The reversal of 100646233 is 332646001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 332646001 = 137 ⋅2428073.

It is a cyclic number.

It is not a de Polignac number, because 100646233 - 2¹⁷ = 100515161 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100646198 and 100646207.

It is not an unprimeable number, because it can be changed into a prime (100646333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 470203 + ... + 470416.

It is an arithmetic number, because the mean of its divisors is an integer number (25396740).

Almost surely, 2^100646233 is an apocalyptic number.

It is an amenable number.

100646233 is a deficient number, since it is larger than the sum of its proper divisors (940727).

100646233 is an equidigital number, since it uses as much as digits as its factorization.

100646233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940726.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 100646233 is about 10032.2596158592. The cubic root of 100646233 is about 465.1565865675.

The spelling of 100646233 in words is "one hundred million, six hundred forty-six thousand, two hundred thirty-three".