28623101 has 8 divisors (see below), whose sum is σ = 32447520. Its totient is φ = 25030512.

The previous prime is 28623071. The next prime is 28623143. The reversal of 28623101 is 10132682.

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

It is not a de Polignac number, because 28623101 - 2⁶ = 28623037 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 (28623151) 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, 57695 + ... + 58188.

It is an arithmetic number, because the mean of its divisors is an integer number (4055940).

Almost surely, 2^28623101 is an apocalyptic number.

It is an amenable number.

28623101 is a deficient number, since it is larger than the sum of its proper divisors (3824419).

28623101 is a wasteful number, since it uses less digits than its factorization.

28623101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115915.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 28623101 is about 5350.0561679295. The cubic root of 28623101 is about 305.8948939146.

Adding to 28623101 its reverse (10132682), we get a palindrome (38755783).

The spelling of 28623101 in words is "twenty-eight million, six hundred twenty-three thousand, one hundred one".