52134521023 has 4 divisors (see below), whose sum is σ = 56144868808. Its totient is φ = 48124173240.

The previous prime is 52134520957. The next prime is 52134521029. The reversal of 52134521023 is 32012543125.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 52134521023 - 2³³ = 43544586431 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52134520982 and 52134521000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52134521029) 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, 2005173873 + ... + 2005173898.

It is an arithmetic number, because the mean of its divisors is an integer number (14036217202).

Almost surely, 2^52134521023 is an apocalyptic number.

52134521023 is a deficient number, since it is larger than the sum of its proper divisors (4010347785).

52134521023 is a wasteful number, since it uses less digits than its factorization.

52134521023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4010347784.

The product of its (nonzero) digits is 7200, while the sum is 28.

The spelling of 52134521023 in words is "fifty-two billion, one hundred thirty-four million, five hundred twenty-one thousand, twenty-three".