2135322623 has 8 divisors (see below), whose sum is σ = 2443581600. Its totient is φ = 1827866880.

The previous prime is 2135322611. The next prime is 2135322641. The reversal of 2135322623 is 3262235312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2135322623 - 2⁸ = 2135322367 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 (2135322223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195098 + ... + 205751.

It is an arithmetic number, because the mean of its divisors is an integer number (305447700).

Almost surely, 2^2135322623 is an apocalyptic number.

2135322623 is a deficient number, since it is larger than the sum of its proper divisors (308258977).

2135322623 is an equidigital number, since it uses as much as digits as its factorization.

2135322623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401617.

The product of its digits is 12960, while the sum is 29.

The square root of 2135322623 is about 46209.5512096796. The cubic root of 2135322623 is about 1287.7191880950.

Adding to 2135322623 its reverse (3262235312), we get a palindrome (5397557935).

The spelling of 2135322623 in words is "two billion, one hundred thirty-five million, three hundred twenty-two thousand, six hundred twenty-three".