56613253465123 has 4 divisors (see below), whose sum is σ = 59592898384360. Its totient is φ = 53633608545888.

The previous prime is 56613253465073. The next prime is 56613253465127. The reversal of 56613253465123 is 32156435231665.

It is a happy number.

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 56613253465123 - 2²⁵ = 56613219910691 is a prime.

It is a super-2 number, since 2×56613253465123² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56613253465127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1489822459590 + ... + 1489822459627.

It is an arithmetic number, because the mean of its divisors is an integer number (14898224596090).

Almost surely, 2^{56613253465123} is an apocalyptic number.

56613253465123 is a deficient number, since it is larger than the sum of its proper divisors (2979644919237).

56613253465123 is a wasteful number, since it uses less digits than its factorization.

56613253465123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2979644919236.

The product of its digits is 11664000, while the sum is 52.

Adding to 56613253465123 its reverse (32156435231665), we get a palindrome (88769688696788).

The spelling of 56613253465123 in words is "fifty-six trillion, six hundred thirteen billion, two hundred fifty-three million, four hundred sixty-five thousand, one hundred twenty-three".