53220543123 has 32 divisors (see below), whose sum is σ = 83023522560. Its totient is φ = 29980679040.

The previous prime is 53220543053. The next prime is 53220543127. The reversal of 53220543123 is 32134502235.

It is not a de Polignac number, because 53220543123 - 2²⁰ = 53219494547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53220543127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 767536 + ... + 833997.

It is an arithmetic number, because the mean of its divisors is an integer number (2594485080).

Almost surely, 2^53220543123 is an apocalyptic number.

53220543123 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

53220543123 is a deficient number, since it is larger than the sum of its proper divisors (29802979437).

53220543123 is a wasteful number, since it uses less digits than its factorization.

53220543123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1601619.

The product of its (nonzero) digits is 21600, while the sum is 30.

The spelling of 53220543123 in words is "fifty-three billion, two hundred twenty million, five hundred forty-three thousand, one hundred twenty-three".