635551013322023 has 4 divisors (see below), whose sum is σ = 656052658913088. Its totient is φ = 615049367730960.

The previous prime is 635551013322011. The next prime is 635551013322053. The reversal of 635551013322023 is 320223310155536.

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 635551013322023 - 2¹⁰ = 635551013320999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (635551013322053) 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, 10250822795486 + ... + 10250822795547.

It is an arithmetic number, because the mean of its divisors is an integer number (164013164728272).

Almost surely, 2^{635551013322023} is an apocalyptic number.

635551013322023 is a deficient number, since it is larger than the sum of its proper divisors (20501645591065).

635551013322023 is a wasteful number, since it uses less digits than its factorization.

635551013322023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20501645591064.

The product of its (nonzero) digits is 486000, while the sum is 41.

Adding to 635551013322023 its reverse (320223310155536), we get a palindrome (955774323477559).

The spelling of 635551013322023 in words is "six hundred thirty-five trillion, five hundred fifty-one billion, thirteen million, three hundred twenty-two thousand, twenty-three".