123442033 has 8 divisors (see below), whose sum is σ = 145022976. Its totient is φ = 103587600.

The previous prime is 123442013. The next prime is 123442043. The reversal of 123442033 is 330244321.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 123442033 - 2⁵ = 123442001 is a prime.

It is a super-2 number, since 2×123442033² = 30475871022346178, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123441995 and 123442013.

It is not an unprimeable number, because it can be changed into a prime (123442013) 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, 431473 + ... + 431758.

It is an arithmetic number, because the mean of its divisors is an integer number (18127872).

Almost surely, 2^123442033 is an apocalyptic number.

123442033 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

123442033 is a deficient number, since it is larger than the sum of its proper divisors (21580943).

123442033 is a wasteful number, since it uses less digits than its factorization.

123442033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863255.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 123442033 is about 11110.4470207098. The cubic root of 123442033 is about 497.9140201451.

Adding to 123442033 its reverse (330244321), we get a palindrome (453686354).

The spelling of 123442033 in words is "one hundred twenty-three million, four hundred forty-two thousand, thirty-three".