23249045 has 4 divisors (see below), whose sum is σ = 27898860. Its totient is φ = 18599232.

The previous prime is 23249041. The next prime is 23249059. The reversal of 23249045 is 54094232.

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 17522596 + 5726449 = 4186^2 + 2393^2 .

It is a cyclic number.

It is not a de Polignac number, because 23249045 - 2² = 23249041 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23248999 and 23249017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23249041) 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, 2324900 + ... + 2324909.

It is an arithmetic number, because the mean of its divisors is an integer number (6974715).

Almost surely, 2^23249045 is an apocalyptic number.

It is an amenable number.

23249045 is a deficient number, since it is larger than the sum of its proper divisors (4649815).

23249045 is an equidigital number, since it uses as much as digits as its factorization.

23249045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4649814.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 23249045 is about 4821.7263505927. The cubic root of 23249045 is about 285.4094658054.

The spelling of 23249045 in words is "twenty-three million, two hundred forty-nine thousand, forty-five".