242210623 has 2 divisors, whose sum is σ = 242210624. Its totient is φ = 242210622.

The previous prime is 242210587. The next prime is 242210629. The reversal of 242210623 is 326012242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 242210623 - 2²⁵ = 208656191 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 242210594 and 242210603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242210629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121105311 + 121105312.

It is an arithmetic number, because the mean of its divisors is an integer number (121105312).

Almost surely, 2^242210623 is an apocalyptic number.

242210623 is a deficient number, since it is larger than the sum of its proper divisors (1).

242210623 is an equidigital number, since it uses as much as digits as its factorization.

242210623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 242210623 is about 15563.1173933759. The cubic root of 242210623 is about 623.3487059671.

Adding to 242210623 its reverse (326012242), we get a palindrome (568222865).

The spelling of 242210623 in words is "two hundred forty-two million, two hundred ten thousand, six hundred twenty-three".