242122623 has 8 divisors (see below), whose sum is σ = 322962048. Its totient is φ = 161349144.

The previous prime is 242122613. The next prime is 242122627. The reversal of 242122623 is 326221242.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 242122623 - 2⁸ = 242122367 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 242122593 and 242122602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242122627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7165 + ... + 23142.

It is an arithmetic number, because the mean of its divisors is an integer number (40370256).

Almost surely, 2^242122623 is an apocalyptic number.

242122623 is a deficient number, since it is larger than the sum of its proper divisors (80839425).

242122623 is a wasteful number, since it uses less digits than its factorization.

242122623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32973.

The product of its digits is 2304, while the sum is 24.

The square root of 242122623 is about 15560.2899394581. The cubic root of 242122623 is about 623.2732051075.

Adding to 242122623 its reverse (326221242), we get a palindrome (568343865).

The spelling of 242122623 in words is "two hundred forty-two million, one hundred twenty-two thousand, six hundred twenty-three".