33981123 has 8 divisors (see below), whose sum is σ = 49427136. Its totient is φ = 20594600.

The previous prime is 33981107. The next prime is 33981131. The reversal of 33981123 is 32118933.

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 33981123 - 2⁴ = 33981107 is a prime.

It is a super-2 number, since 2×33981123² = 2309433440682258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33981163) 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, 514833 + ... + 514898.

It is an arithmetic number, because the mean of its divisors is an integer number (6178392).

Almost surely, 2^33981123 is an apocalyptic number.

33981123 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

33981123 is a deficient number, since it is larger than the sum of its proper divisors (15446013).

33981123 is a wasteful number, since it uses less digits than its factorization.

33981123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029745.

The product of its digits is 3888, while the sum is 30.

The square root of 33981123 is about 5829.3329807106. The cubic root of 33981123 is about 323.9012139776.

The spelling of 33981123 in words is "thirty-three million, nine hundred eighty-one thousand, one hundred twenty-three".