33312042423 has 40 divisors (see below), whose sum is σ = 55548827136. Its totient is φ = 19719579600.

The previous prime is 33312042343. The next prime is 33312042431. The reversal of 33312042423 is 32424021333.

33312042423 is a `hidden beast` number, since 3 + 3 + 31 + 204 + 2 + 423 = 666.

It is not a de Polignac number, because 33312042423 - 2⁸ = 33312042167 is a prime.

It is a super-2 number, since 2×33312042423² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33312042223) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 396423 + ... + 473048.

Almost surely, 2^33312042423 is an apocalyptic number.

33312042423 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

33312042423 is a deficient number, since it is larger than the sum of its proper divisors (22236784713).

33312042423 is a wasteful number, since it uses less digits than its factorization.

33312042423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869537 (or 869528 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 33312042423 its reverse (32424021333), we get a palindrome (65736063756).

The spelling of 33312042423 in words is "thirty-three billion, three hundred twelve million, forty-two thousand, four hundred twenty-three".