2105233442 has 16 divisors (see below), whose sum is σ = 3405934392. Its totient is φ = 970168320.

The previous prime is 2105233433. The next prime is 2105233451. The reversal of 2105233442 is 2443325012.

It is an interprime number because it is at equal distance from previous prime (2105233433) and next prime (2105233451).

It can be written as a sum of positive squares in 4 ways, for example, as 1686662761 + 418570681 = 41069^2 + 20459^2 .

It is a super-3 number, since 3×2105233442³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44063 + ... + 78434.

Almost surely, 2^2105233442 is an apocalyptic number.

2105233442 is a deficient number, since it is larger than the sum of its proper divisors (1300700950).

2105233442 is a wasteful number, since it uses less digits than its factorization.

2105233442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123173.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 2105233442 is about 45882.8229515142. The cubic root of 2105233442 is about 1281.6420661354.

Adding to 2105233442 its reverse (2443325012), we get a palindrome (4548558454).

The spelling of 2105233442 in words is "two billion, one hundred five million, two hundred thirty-three thousand, four hundred forty-two".