102423403 has 2 divisors, whose sum is σ = 102423404. Its totient is φ = 102423402.

The previous prime is 102423397. The next prime is 102423407. The reversal of 102423403 is 304324201.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102423403 is a prime.

It is not a weakly prime, because it can be changed into another prime (102423407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51211701 + 51211702.

It is an arithmetic number, because the mean of its divisors is an integer number (51211702).

Almost surely, 2^102423403 is an apocalyptic number.

102423403 is a deficient number, since it is larger than the sum of its proper divisors (1).

102423403 is an equidigital number, since it uses as much as digits as its factorization.

102423403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 102423403 is about 10120.4448024778. Note that the first 3 decimals coincide. The cubic root of 102423403 is about 467.8784764342.

Adding to 102423403 its reverse (304324201), we get a palindrome (406747604).

The spelling of 102423403 in words is "one hundred two million, four hundred twenty-three thousand, four hundred three".