523057634542 has 4 divisors (see below), whose sum is σ = 784586451816. Its totient is φ = 261528817270.

The previous prime is 523057634507. The next prime is 523057634543. The reversal of 523057634542 is 245436750325.

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

It is a junction number, because it is equal to n+sod(n) for n = 523057634492 and 523057634501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523057634543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130764408634 + ... + 130764408637.

It is an arithmetic number, because the mean of its divisors is an integer number (196146612954).

Almost surely, 2^523057634542 is an apocalyptic number.

523057634542 is a deficient number, since it is larger than the sum of its proper divisors (261528817274).

523057634542 is a wasteful number, since it uses less digits than its factorization.

523057634542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261528817273.

The product of its (nonzero) digits is 3024000, while the sum is 46.

The spelling of 523057634542 in words is "five hundred twenty-three billion, fifty-seven million, six hundred thirty-four thousand, five hundred forty-two".