33400023 has 8 divisors (see below), whose sum is σ = 44817648. Its totient is φ = 22124544.

The previous prime is 33400021. The next prime is 33400027. The reversal of 33400023 is 32000433.

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

It is not a de Polignac number, because 33400023 - 2¹ = 33400021 is a prime.

It is a super-2 number, since 2×33400023² = 2231123072801058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33399975 and 33400011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33400021) 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, 34986 + ... + 35927.

It is an arithmetic number, because the mean of its divisors is an integer number (5602206).

Almost surely, 2^33400023 is an apocalyptic number.

33400023 is a deficient number, since it is larger than the sum of its proper divisors (11417625).

33400023 is a wasteful number, since it uses less digits than its factorization.

33400023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71073.

The product of its (nonzero) digits is 216, while the sum is 15.

The square root of 33400023 is about 5779.2753005892. The cubic root of 33400023 is about 322.0442791107.

Adding to 33400023 its reverse (32000433), we get a palindrome (65400456).

The spelling of 33400023 in words is "thirty-three million, four hundred thousand, twenty-three".