2106623153 has 8 divisors (see below), whose sum is σ = 2327522688. Its totient is φ = 1896499264.

The previous prime is 2106623117. The next prime is 2106623159. The reversal of 2106623153 is 3513266012.

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

It is a cyclic number.

It is not a de Polignac number, because 2106623153 - 2¹² = 2106619057 is a prime.

It is a super-2 number, since 2×2106623153² = 8875722217511322818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2106623159) 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, 2693501 + ... + 2694282.

It is an arithmetic number, because the mean of its divisors is an integer number (290940336).

Almost surely, 2^2106623153 is an apocalyptic number.

2106623153 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2106623153 is a deficient number, since it is larger than the sum of its proper divisors (220899535).

2106623153 is a wasteful number, since it uses less digits than its factorization.

2106623153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5387823.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 2106623153 is about 45897.9645844998. The cubic root of 2106623153 is about 1281.9240174966.

Adding to 2106623153 its reverse (3513266012), we get a palindrome (5619889165).

The spelling of 2106623153 in words is "two billion, one hundred six million, six hundred twenty-three thousand, one hundred fifty-three".