245123023351 has 4 divisors (see below), whose sum is σ = 245312895304. Its totient is φ = 244933151400.

The previous prime is 245123023303. The next prime is 245123023357. The reversal of 245123023351 is 153320321542.

245123023351 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 245123023351 - 2¹¹ = 245123021303 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 (245123023357) 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 3 ways as a sum of consecutive naturals, for example, 94934040 + ... + 94936621.

It is an arithmetic number, because the mean of its divisors is an integer number (61328223826).

Almost surely, 2^245123023351 is an apocalyptic number.

245123023351 is a deficient number, since it is larger than the sum of its proper divisors (189871953).

245123023351 is a wasteful number, since it uses less digits than its factorization.

245123023351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189871952.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 245123023351 its reverse (153320321542), we get a palindrome (398443344893).

The spelling of 245123023351 in words is "two hundred forty-five billion, one hundred twenty-three million, twenty-three thousand, three hundred fifty-one".