245504423 has 4 divisors (see below), whose sum is σ = 245840088. Its totient is φ = 245168760.

The previous prime is 245504393. The next prime is 245504431. The reversal of 245504423 is 324405542.

245504423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 245504423 - 2²⁰ = 244455847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245506423) 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, 166733 + ... + 168198.

It is an arithmetic number, because the mean of its divisors is an integer number (61460022).

Almost surely, 2^245504423 is an apocalyptic number.

245504423 is a deficient number, since it is larger than the sum of its proper divisors (335665).

245504423 is an equidigital number, since it uses as much as digits as its factorization.

245504423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335664.

The product of its (nonzero) digits is 19200, while the sum is 29.

The square root of 245504423 is about 15668.5807589584. The cubic root of 245504423 is about 626.1616140005.

Adding to 245504423 its reverse (324405542), we get a palindrome (569909965).

The spelling of 245504423 in words is "two hundred forty-five million, five hundred four thousand, four hundred twenty-three".