102343121 has 4 divisors (see below), whose sum is σ = 105644544. Its totient is φ = 99041700.

The previous prime is 102343097. The next prime is 102343141. The reversal of 102343121 is 121343201.

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, and also an emirpimes, since its reverse is a distinct semiprime: 121343201 = 7 ⋅17334743.

It is a cyclic number.

It is not a de Polignac number, because 102343121 - 2⁶ = 102343057 is a prime.

It is a super-2 number, since 2×102343121² = 20948228832041282, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 102343121.

It is not an unprimeable number, because it can be changed into a prime (102343141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1650665 + ... + 1650726.

It is an arithmetic number, because the mean of its divisors is an integer number (26411136).

Almost surely, 2^102343121 is an apocalyptic number.

It is an amenable number.

102343121 is a deficient number, since it is larger than the sum of its proper divisors (3301423).

102343121 is an equidigital number, since it uses as much as digits as its factorization.

102343121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3301422.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 102343121 is about 10116.4776973016. The cubic root of 102343121 is about 467.7561995681.

Adding to 102343121 its reverse (121343201), we get a palindrome (223686322).

It can be divided in two parts, 1023 and 43121, that added together give a palindrome (44144).

The spelling of 102343121 in words is "one hundred two million, three hundred forty-three thousand, one hundred twenty-one".