245505413123 has 8 divisors (see below), whose sum is σ = 253086615600. Its totient is φ = 238038213888.

The previous prime is 245505413093. The next prime is 245505413143. The reversal of 245505413123 is 321314505542.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 245505413123 - 2⁶ = 245505413059 is a prime.

It is a super-2 number, since 2×245505413123² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245505413143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28496438 + ... + 28505051.

It is an arithmetic number, because the mean of its divisors is an integer number (31635826950).

Almost surely, 2^245505413123 is an apocalyptic number.

245505413123 is a deficient number, since it is larger than the sum of its proper divisors (7581202477).

245505413123 is an equidigital number, since it uses as much as digits as its factorization.

245505413123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57001621.

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 245505413123 its reverse (321314505542), we get a palindrome (566819918665).

The spelling of 245505413123 in words is "two hundred forty-five billion, five hundred five million, four hundred thirteen thousand, one hundred twenty-three".