245100123122143 has 4 divisors (see below), whose sum is σ = 245100216600000. Its totient is φ = 245100029644288.

The previous prime is 245100123122119. The next prime is 245100123122189. The reversal of 245100123122143 is 341221321001542.

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 245100123122143 - 2⁹ = 245100123121631 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 (245100123120143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42688930 + ... + 48088927.

It is an arithmetic number, because the mean of its divisors is an integer number (61275054150000).

Almost surely, 2^{245100123122143} is an apocalyptic number.

245100123122143 is a deficient number, since it is larger than the sum of its proper divisors (93477857).

245100123122143 is an equidigital number, since it uses as much as digits as its factorization.

245100123122143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93477856.

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 245100123122143 its reverse (341221321001542), we get a palindrome (586321444123685).

The spelling of 245100123122143 in words is "two hundred forty-five trillion, one hundred billion, one hundred twenty-three million, one hundred twenty-two thousand, one hundred forty-three".