33401423 has 8 divisors (see below), whose sum is σ = 36529920. Its totient is φ = 30288280.

The previous prime is 33401419. The next prime is 33401483. The reversal of 33401423 is 32410433.

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

It is not a de Polignac number, because 33401423 - 2² = 33401419 is a prime.

It is a super-2 number, since 2×33401423² = 2231310116849858, 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 = 33401395 and 33401404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33401483) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 986 + ... + 8232.

It is an arithmetic number, because the mean of its divisors is an integer number (4566240).

Almost surely, 2^33401423 is an apocalyptic number.

33401423 is a deficient number, since it is larger than the sum of its proper divisors (3128497).

33401423 is a wasteful number, since it uses less digits than its factorization.

33401423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7677.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 33401423 is about 5779.3964217728. The cubic root of 33401423 is about 322.0487786654.

Adding to 33401423 its reverse (32410433), we get a palindrome (65811856).

The spelling of 33401423 in words is "thirty-three million, four hundred one thousand, four hundred twenty-three".