2102032123 has 16 divisors (see below), whose sum is σ = 2289692736. Its totient is φ = 1924179840.

The previous prime is 2102032091. The next prime is 2102032139. The reversal of 2102032123 is 3212302012.

It is a cyclic number.

It is not a de Polignac number, because 2102032123 - 2⁵ = 2102032091 is a prime.

It is a super-2 number, since 2×2102032123² = 8837078092247774258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2102032097 and 2102032106.

It is not an unprimeable number, because it can be changed into a prime (2102030123) 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, 31665 + ... + 72157.

It is an arithmetic number, because the mean of its divisors is an integer number (143105796).

Almost surely, 2^2102032123 is an apocalyptic number.

2102032123 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2102032123 is a deficient number, since it is larger than the sum of its proper divisors (187660613).

2102032123 is a wasteful number, since it uses less digits than its factorization.

2102032123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40614.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2102032123 is about 45847.9238679354. The cubic root of 2102032123 is about 1280.9920944211.

Adding to 2102032123 its reverse (3212302012), we get a palindrome (5314334135).

The spelling of 2102032123 in words is "two billion, one hundred two million, thirty-two thousand, one hundred twenty-three".