245432423 has 4 divisors (see below), whose sum is σ = 253895640. Its totient is φ = 236969208.

The previous prime is 245432419. The next prime is 245432431. The reversal of 245432423 is 324234542.

It is a happy number.

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

It is not a de Polignac number, because 245432423 - 2² = 245432419 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 8463187 = 245432423 / (2 + 4 + 5 + 4 + 3 + 2 + 4 + 2 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245432413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4231565 + ... + 4231622.

It is an arithmetic number, because the mean of its divisors is an integer number (63473910).

Almost surely, 2^245432423 is an apocalyptic number.

245432423 is a deficient number, since it is larger than the sum of its proper divisors (8463217).

245432423 is an equidigital number, since it uses as much as digits as its factorization.

245432423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8463216.

The product of its digits is 23040, while the sum is 29.

The square root of 245432423 is about 15666.2829988482. The cubic root of 245432423 is about 626.1003957630.

Adding to 245432423 its reverse (324234542), we get a palindrome (569666965).

The spelling of 245432423 in words is "two hundred forty-five million, four hundred thirty-two thousand, four hundred twenty-three".