245313023 has 4 divisors (see below), whose sum is σ = 248768208. Its totient is φ = 241857840.

The previous prime is 245313017. The next prime is 245313053. The reversal of 245313023 is 320313542.

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

It is a cyclic number.

It is not a de Polignac number, because 245313023 - 2⁶ = 245312959 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 245313023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245313053) 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, 1727486 + ... + 1727627.

It is an arithmetic number, because the mean of its divisors is an integer number (62192052).

Almost surely, 2^245313023 is an apocalyptic number.

245313023 is a deficient number, since it is larger than the sum of its proper divisors (3455185).

245313023 is an equidigital number, since it uses as much as digits as its factorization.

245313023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3455184.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 245313023 is about 15662.4718036458. The cubic root of 245313023 is about 625.9988491236.

Adding to 245313023 its reverse (320313542), we get a palindrome (565626565).

The spelling of 245313023 in words is "two hundred forty-five million, three hundred thirteen thousand, twenty-three".