23215101 has 16 divisors (see below), whose sum is σ = 38097024. Its totient is φ = 12245184.

The previous prime is 23215099. The next prime is 23215103. The reversal of 23215101 is 10151232.

It is an interprime number because it is at equal distance from previous prime (23215099) and next prime (23215103).

It is not a de Polignac number, because 23215101 - 2¹ = 23215099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23215103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42246 + ... + 42791.

It is an arithmetic number, because the mean of its divisors is an integer number (2381064).

Almost surely, 2^23215101 is an apocalyptic number.

23215101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

23215101 is a deficient number, since it is larger than the sum of its proper divisors (14881923).

23215101 is a wasteful number, since it uses less digits than its factorization.

23215101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85060.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 23215101 is about 4818.2051637513. The cubic root of 23215101 is about 285.2704972644.

Adding to 23215101 its reverse (10151232), we get a palindrome (33366333).

The spelling of 23215101 in words is "twenty-three million, two hundred fifteen thousand, one hundred one".