1102343421 has 4 divisors (see below), whose sum is σ = 1469791232. Its totient is φ = 734895612.

The previous prime is 1102343413. The next prime is 1102343423. The reversal of 1102343421 is 1243432011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1102343421 - 2³ = 1102343413 is a prime.

It is a super-2 number, since 2×1102343421² = 2430322035643966482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102343423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183723901 + ... + 183723906.

It is an arithmetic number, because the mean of its divisors is an integer number (367447808).

Almost surely, 2^1102343421 is an apocalyptic number.

It is an amenable number.

1102343421 is a deficient number, since it is larger than the sum of its proper divisors (367447811).

1102343421 is an equidigital number, since it uses as much as digits as its factorization.

1102343421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367447810.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1102343421 is about 33201.5575086471. The cubic root of 1102343421 is about 1033.0126460881.

Adding to 1102343421 its reverse (1243432011), we get a palindrome (2345775432).

The spelling of 1102343421 in words is "one billion, one hundred two million, three hundred forty-three thousand, four hundred twenty-one".