123333355 has 4 divisors (see below), whose sum is σ = 148000032. Its totient is φ = 98666680.

The previous prime is 123333349. The next prime is 123333377. The reversal of 123333355 is 553333321.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 553333321 = 7687 ⋅71983.

It is not a de Polignac number, because 123333355 - 2³ = 123333347 is a prime.

It is a super-2 number, since 2×123333355² = 30422232911112050, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12333331 + ... + 12333340.

It is an arithmetic number, because the mean of its divisors is an integer number (37000008).

Almost surely, 2^123333355 is an apocalyptic number.

123333355 is a deficient number, since it is larger than the sum of its proper divisors (24666677).

123333355 is an equidigital number, since it uses as much as digits as its factorization.

123333355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24666676.

The product of its digits is 12150, while the sum is 28.

The square root of 123333355 is about 11105.5551414596. Note that the first 3 decimals coincide. The cubic root of 123333355 is about 497.7678565668.

Adding to 123333355 its reverse (553333321), we get a palindrome (676666676).

The spelling of 123333355 in words is "one hundred twenty-three million, three hundred thirty-three thousand, three hundred fifty-five".