102455623 has 2 divisors, whose sum is σ = 102455624. Its totient is φ = 102455622.

The previous prime is 102455611. The next prime is 102455641. The reversal of 102455623 is 326554201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102455623 - 2²¹ = 100358471 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102455591 and 102455600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102455693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51227811 + 51227812.

It is an arithmetic number, because the mean of its divisors is an integer number (51227812).

Almost surely, 2^102455623 is an apocalyptic number.

102455623 is a deficient number, since it is larger than the sum of its proper divisors (1).

102455623 is an equidigital number, since it uses as much as digits as its factorization.

102455623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 102455623 is about 10122.0365045775. The cubic root of 102455623 is about 467.9275324884.

The spelling of 102455623 in words is "one hundred two million, four hundred fifty-five thousand, six hundred twenty-three".