242355403 has 2 divisors, whose sum is σ = 242355404. Its totient is φ = 242355402.

The previous prime is 242355391. The next prime is 242355413. The reversal of 242355403 is 304553242.

242355403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 242355403 - 2²⁵ = 208800971 is a prime.

It is a super-2 number, since 2×242355403² = 117472282726584818, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (242355413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121177701 + 121177702.

It is an arithmetic number, because the mean of its divisors is an integer number (121177702).

Almost surely, 2^242355403 is an apocalyptic number.

242355403 is a deficient number, since it is larger than the sum of its proper divisors (1).

242355403 is an equidigital number, since it uses as much as digits as its factorization.

242355403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 242355403 is about 15567.7680802355. The cubic root of 242355403 is about 623.4728822573.

The spelling of 242355403 in words is "two hundred forty-two million, three hundred fifty-five thousand, four hundred three".