23490101 has 4 divisors (see below), whose sum is σ = 23698092. Its totient is φ = 23282112.

The previous prime is 23490091. The next prime is 23490109. The reversal of 23490101 is 10109432.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3900625 + 19589476 = 1975^2 + 4426^2 .

It is a cyclic number.

It is not a de Polignac number, because 23490101 - 2¹⁰ = 23489077 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23490109) 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, 103826 + ... + 104051.

It is an arithmetic number, because the mean of its divisors is an integer number (5924523).

Almost surely, 2^23490101 is an apocalyptic number.

It is an amenable number.

23490101 is a deficient number, since it is larger than the sum of its proper divisors (207991).

23490101 is a wasteful number, since it uses less digits than its factorization.

23490101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207990.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 23490101 is about 4846.6587459816. The cubic root of 23490101 is about 286.3924917471.

Adding to 23490101 its reverse (10109432), we get a palindrome (33599533).

The spelling of 23490101 in words is "twenty-three million, four hundred ninety thousand, one hundred one".