245123142423 has 16 divisors (see below), whose sum is σ = 334481633280. Its totient is φ = 159604559456.

The previous prime is 245123142401. The next prime is 245123142463. The reversal of 245123142423 is 324241321542.

It is a happy number.

245123142423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 245123142423 - 2⁶ = 245123142359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245123142463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1747140 + ... + 1882217.

It is an arithmetic number, because the mean of its divisors is an integer number (20905102080).

Almost surely, 2^245123142423 is an apocalyptic number.

245123142423 is a deficient number, since it is larger than the sum of its proper divisors (89358490857).

245123142423 is a wasteful number, since it uses less digits than its factorization.

245123142423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3629886.

The product of its digits is 46080, while the sum is 33.

Adding to 245123142423 its reverse (324241321542), we get a palindrome (569364463965).

The spelling of 245123142423 in words is "two hundred forty-five billion, one hundred twenty-three million, one hundred forty-two thousand, four hundred twenty-three".