2106453623 has 16 divisors (see below), whose sum is σ = 2192769024. Its totient is φ = 2021876640.

The previous prime is 2106453611. The next prime is 2106453659. The reversal of 2106453623 is 3263546012.

It is a cyclic number.

It is not a de Polignac number, because 2106453623 - 2¹⁴ = 2106437239 is a prime.

It is a super-2 number, since 2×2106453623² = 8874293731699652258, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2106453623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2106453673) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 896336 + ... + 898682.

It is an arithmetic number, because the mean of its divisors is an integer number (137048064).

Almost surely, 2^2106453623 is an apocalyptic number.

2106453623 is a deficient number, since it is larger than the sum of its proper divisors (86315401).

2106453623 is a wasteful number, since it uses less digits than its factorization.

2106453623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2702.

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 2106453623 is about 45896.1177334205. The cubic root of 2106453623 is about 1281.8896290634.

Adding to 2106453623 its reverse (3263546012), we get a palindrome (5369999635).

The spelling of 2106453623 in words is "two billion, one hundred six million, four hundred fifty-three thousand, six hundred twenty-three".