53123512045123 has 8 divisors (see below), whose sum is σ = 57210168945888. Its totient is φ = 49036888415424.

The previous prime is 53123512045049. The next prime is 53123512045133. The reversal of 53123512045123 is 32154021532135.

It is a happy number.

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

It is not a de Polignac number, because 53123512045123 - 2²⁹ = 53122975174211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53123512045133) 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, 4951090 + ... + 11435047.

It is an arithmetic number, because the mean of its divisors is an integer number (7151271118236).

Almost surely, 2^{53123512045123} is an apocalyptic number.

53123512045123 is a deficient number, since it is larger than the sum of its proper divisors (4086656900765).

53123512045123 is a wasteful number, since it uses less digits than its factorization.

53123512045123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16635533.

The product of its (nonzero) digits is 108000, while the sum is 37.

Adding to 53123512045123 its reverse (32154021532135), we get a palindrome (85277533577258).

The spelling of 53123512045123 in words is "fifty-three trillion, one hundred twenty-three billion, five hundred twelve million, forty-five thousand, one hundred twenty-three".