102403453 has 2 divisors, whose sum is σ = 102403454. Its totient is φ = 102403452.

The previous prime is 102403423. The next prime is 102403463. The reversal of 102403453 is 354304201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102151449 + 252004 = 10107^2 + 502^2 .

It is a cyclic number.

It is not a de Polignac number, because 102403453 - 2¹³ = 102395261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102403423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51201726 + 51201727.

It is an arithmetic number, because the mean of its divisors is an integer number (51201727).

Almost surely, 2^102403453 is an apocalyptic number.

It is an amenable number.

102403453 is a deficient number, since it is larger than the sum of its proper divisors (1).

102403453 is an equidigital number, since it uses as much as digits as its factorization.

102403453 is an odious number, because the sum of its binary digits is odd.

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

The square root of 102403453 is about 10119.4591258624. The cubic root of 102403453 is about 467.8480967181.

Adding to 102403453 its reverse (354304201), we get a palindrome (456707654).

The spelling of 102403453 in words is "one hundred two million, four hundred three thousand, four hundred fifty-three".