102453943 has 4 divisors (see below), whose sum is σ = 103201920. Its totient is φ = 101705968.

The previous prime is 102453941. The next prime is 102453971. The reversal of 102453943 is 349354201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 349354201 = 7 ⋅49907743.

It is a cyclic number.

It is not a de Polignac number, because 102453943 - 2¹ = 102453941 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 (102453941) 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, 373783 + ... + 374056.

It is an arithmetic number, because the mean of its divisors is an integer number (25800480).

Almost surely, 2^102453943 is an apocalyptic number.

102453943 is a deficient number, since it is larger than the sum of its proper divisors (747977).

102453943 is an equidigital number, since it uses as much as digits as its factorization.

102453943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747976.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 102453943 is about 10121.9535169848. The cubic root of 102453943 is about 467.9249748850.

The spelling of 102453943 in words is "one hundred two million, four hundred fifty-three thousand, nine hundred forty-three".