23049401 has 4 divisors (see below), whose sum is σ = 23253492. Its totient is φ = 22845312.

The previous prime is 23049379. The next prime is 23049437. The reversal of 23049401 is 10494032.

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 11833600 + 11215801 = 3440^2 + 3349^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23049401 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23049491) 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, 101876 + ... + 102101.

It is an arithmetic number, because the mean of its divisors is an integer number (5813373).

Almost surely, 2^23049401 is an apocalyptic number.

It is an amenable number.

23049401 is a deficient number, since it is larger than the sum of its proper divisors (204091).

23049401 is a wasteful number, since it uses less digits than its factorization.

23049401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204090.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 23049401 is about 4800.9791709609. The cubic root of 23049401 is about 284.5901608951.

It can be divided in two parts, 2 and 3049401, that added together give a palindrome (3049403).

The spelling of 23049401 in words is "twenty-three million, forty-nine thousand, four hundred one".