23154201 has 16 divisors (see below), whose sum is σ = 39203200. Its totient is φ = 13230864.

The previous prime is 23154199. The next prime is 23154239. The reversal of 23154201 is 10245132.

It is not a de Polignac number, because 23154201 - 2¹ = 23154199 is a prime.

It is a super-2 number, since 2×23154201² = 1072234047896802, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23154251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61066 + ... + 61443.

It is an arithmetic number, because the mean of its divisors is an integer number (2450200).

Almost surely, 2^23154201 is an apocalyptic number.

23154201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

23154201 is a deficient number, since it is larger than the sum of its proper divisors (16048999).

23154201 is a wasteful number, since it uses less digits than its factorization.

23154201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122525 (or 122519 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 23154201 is about 4811.8812329483. The cubic root of 23154201 is about 285.0208295025.

Adding to 23154201 its reverse (10245132), we get a palindrome (33399333).

The spelling of 23154201 in words is "twenty-three million, one hundred fifty-four thousand, two hundred one".