123353242 has 4 divisors (see below), whose sum is σ = 185029866. Its totient is φ = 61676620.

The previous prime is 123353221. The next prime is 123353249. The reversal of 123353242 is 242353321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 242353321 = 7 ⋅34621903.

It can be written as a sum of positive squares in only one way, i.e., 121418361 + 1934881 = 11019^2 + 1391^2 .

It is not an unprimeable number, because it can be changed into a prime (123353249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30838309 + ... + 30838312.

Almost surely, 2^123353242 is an apocalyptic number.

123353242 is a deficient number, since it is larger than the sum of its proper divisors (61676624).

123353242 is an equidigital number, since it uses as much as digits as its factorization.

123353242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61676623.

The product of its digits is 4320, while the sum is 25.

The square root of 123353242 is about 11106.4504680839. The cubic root of 123353242 is about 497.7946094739.

The spelling of 123353242 in words is "one hundred twenty-three million, three hundred fifty-three thousand, two hundred forty-two".