102453403 has 4 divisors (see below), whose sum is σ = 110334448. Its totient is φ = 94572360.

The previous prime is 102453389. The next prime is 102453409. The reversal of 102453403 is 304354201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102453403 - 2²⁵ = 68898971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102453409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3940503 + ... + 3940528.

It is an arithmetic number, because the mean of its divisors is an integer number (27583612).

Almost surely, 2^102453403 is an apocalyptic number.

102453403 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

102453403 is a deficient number, since it is larger than the sum of its proper divisors (7881045).

102453403 is an equidigital number, since it uses as much as digits as its factorization.

102453403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7881044.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 102453403 is about 10121.9268422569. The cubic root of 102453403 is about 467.9241527922.

The spelling of 102453403 in words is "one hundred two million, four hundred fifty-three thousand, four hundred three".