245244520023 has 64 divisors (see below), whose sum is σ = 358368192000. Its totient is φ = 148589489664.

The previous prime is 245244520021. The next prime is 245244520049. The reversal of 245244520023 is 320025442542.

It is not a de Polignac number, because 245244520023 - 2¹ = 245244520021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245244520021) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 219555861 + ... + 219556977.

It is an arithmetic number, because the mean of its divisors is an integer number (5599503000).

Almost surely, 2^245244520023 is an apocalyptic number.

245244520023 is a deficient number, since it is larger than the sum of its proper divisors (113123671977).

245244520023 is a wasteful number, since it uses less digits than its factorization.

245244520023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1904.

The product of its (nonzero) digits is 76800, while the sum is 33.

Adding to 245244520023 its reverse (320025442542), we get a palindrome (565269962565).

The spelling of 245244520023 in words is "two hundred forty-five billion, two hundred forty-four million, five hundred twenty thousand, twenty-three".