123233955 has 48 divisors (see below), whose sum is σ = 215506656. Its totient is φ = 60103680.

The previous prime is 123233951. The next prime is 123233989. The reversal of 123233955 is 559332321.

It is a happy number.

It is not a de Polignac number, because 123233955 - 2² = 123233951 is a prime.

It is a super-4 number, since 4×123233955⁴ (a number of 33 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (123233951) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 438415 + ... + 438695.

It is an arithmetic number, because the mean of its divisors is an integer number (4489722).

Almost surely, 2^123233955 is an apocalyptic number.

123233955 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

123233955 is a deficient number, since it is larger than the sum of its proper divisors (92272701).

123233955 is a wasteful number, since it uses less digits than its factorization.

123233955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488 (or 475 counting only the distinct ones).

The product of its digits is 24300, while the sum is 33.

The square root of 123233955 is about 11101.0790016106. The cubic root of 123233955 is about 497.6340959873.

The spelling of 123233955 in words is "one hundred twenty-three million, two hundred thirty-three thousand, nine hundred fifty-five".