102344421 has 8 divisors (see below), whose sum is σ = 138186880. Its totient is φ = 67365792.

The previous prime is 102344419. The next prime is 102344453. The reversal of 102344421 is 124443201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 102344421 - 2¹ = 102344419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102344461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215680 + ... + 216153.

It is an arithmetic number, because the mean of its divisors is an integer number (17273360).

Almost surely, 2^102344421 is an apocalyptic number.

It is an amenable number.

102344421 is a deficient number, since it is larger than the sum of its proper divisors (35842459).

102344421 is an equidigital number, since it uses as much as digits as its factorization.

102344421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431915.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 102344421 is about 10116.5419487095. The cubic root of 102344421 is about 467.7581800969.

Adding to 102344421 its reverse (124443201), we get a palindrome (226787622).

The spelling of 102344421 in words is "one hundred two million, three hundred forty-four thousand, four hundred twenty-one".