123002342 has 8 divisors (see below), whose sum is σ = 184568736. Its totient is φ = 61479432.

The previous prime is 123002323. The next prime is 123002353. The reversal of 123002342 is 243200321.

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

It is a super-2 number, since 2×123002342² = 30259152274969928, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 123002342.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2513 + ... + 15884.

It is an arithmetic number, because the mean of its divisors is an integer number (23071092).

Almost surely, 2^123002342 is an apocalyptic number.

123002342 is a deficient number, since it is larger than the sum of its proper divisors (61566394).

123002342 is a wasteful number, since it uses less digits than its factorization.

123002342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21742.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 123002342 is about 11090.6420914210. The cubic root of 123002342 is about 497.3221397325.

Adding to 123002342 its reverse (243200321), we get a palindrome (366202663).

The spelling of 123002342 in words is "one hundred twenty-three million, two thousand, three hundred forty-two".