35421505123 has 4 divisors (see below), whose sum is σ = 35508110680. Its totient is φ = 35334899568.

The previous prime is 35421505039. The next prime is 35421505129. The reversal of 35421505123 is 32150512453.

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 35421505123 - 2¹³ = 35421496931 is a prime.

It is a super-3 number, since 3×35421505123³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (35421505129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43302165 + ... + 43302982.

It is an arithmetic number, because the mean of its divisors is an integer number (8877027670).

Almost surely, 2^35421505123 is an apocalyptic number.

35421505123 is a deficient number, since it is larger than the sum of its proper divisors (86605557).

35421505123 is an equidigital number, since it uses as much as digits as its factorization.

35421505123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86605556.

The product of its (nonzero) digits is 18000, while the sum is 31.

The spelling of 35421505123 in words is "thirty-five billion, four hundred twenty-one million, five hundred five thousand, one hundred twenty-three".