245153543123 has 16 divisors (see below), whose sum is σ = 260066051136. Its totient is φ = 230597283840.

The previous prime is 245153543111. The next prime is 245153543143. The reversal of 245153543123 is 321345351542.

It is a cyclic number.

It is not a de Polignac number, because 245153543123 - 2³⁰ = 244079801299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245153543143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6908915 + ... + 6944307.

It is an arithmetic number, because the mean of its divisors is an integer number (16254128196).

Almost surely, 2^245153543123 is an apocalyptic number.

245153543123 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

245153543123 is a deficient number, since it is larger than the sum of its proper divisors (14912508013).

245153543123 is a wasteful number, since it uses less digits than its factorization.

245153543123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40414.

The product of its digits is 216000, while the sum is 38.

Adding to 245153543123 its reverse (321345351542), we get a palindrome (566498894665).

The spelling of 245153543123 in words is "two hundred forty-five billion, one hundred fifty-three million, five hundred forty-three thousand, one hundred twenty-three".