23145101 has 6 divisors (see below), whose sum is σ = 26923950. Its totient is φ = 19838616.

The previous prime is 23145071. The next prime is 23145113. The reversal of 23145101 is 10154132.

It can be written as a sum of positive squares in only one way, i.e., 22791076 + 354025 = 4774^2 + 595^2 .

It is not a de Polignac number, because 23145101 - 2¹⁴ = 23128717 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 23145101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23144101) 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 5 ways as a sum of consecutive naturals, for example, 236126 + ... + 236223.

It is an arithmetic number, because the mean of its divisors is an integer number (4487325).

Almost surely, 2^23145101 is an apocalyptic number.

It is an amenable number.

23145101 is a deficient number, since it is larger than the sum of its proper divisors (3778849).

23145101 is an equidigital number, since it uses as much as digits as its factorization.

23145101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472363 (or 472356 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 23145101 is about 4810.9355639002. The cubic root of 23145101 is about 284.9834852439.

Adding to 23145101 its reverse (10154132), we get a palindrome (33299233).

The spelling of 23145101 in words is "twenty-three million, one hundred forty-five thousand, one hundred one".