2100453234 has 32 divisors (see below), whose sum is σ = 4608152640. Its totient is φ = 632980800.

The previous prime is 2100453233. The next prime is 2100453253. The reversal of 2100453234 is 4323540012.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2100453233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75969 + ... + 99860.

It is an arithmetic number, because the mean of its divisors is an integer number (144004770).

Almost surely, 2^2100453234 is an apocalyptic number.

2100453234 is an abundant number, since it is smaller than the sum of its proper divisors (2507699406).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2100453234 is a wasteful number, since it uses less digits than its factorization.

2100453234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176026.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 2100453234 is about 45830.7018711256. The cubic root of 2100453234 is about 1280.6712856648.

Adding to 2100453234 its reverse (4323540012), we get a palindrome (6423993246).

The spelling of 2100453234 in words is "two billion, one hundred million, four hundred fifty-three thousand, two hundred thirty-four".