33140005423 has 32 divisors (see below), whose sum is σ = 41170821120. Its totient is φ = 26052554880.

The previous prime is 33140005399. The next prime is 33140005427. The reversal of 33140005423 is 32450004133.

It is a cyclic number.

It is not a de Polignac number, because 33140005423 - 2⁵ = 33140005391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33140005427) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 513561 + ... + 574477.

It is an arithmetic number, because the mean of its divisors is an integer number (1286588160).

Almost surely, 2^33140005423 is an apocalyptic number.

33140005423 is a deficient number, since it is larger than the sum of its proper divisors (8030815697).

33140005423 is a wasteful number, since it uses less digits than its factorization.

33140005423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61087.

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 33140005423 its reverse (32450004133), we get a palindrome (65590009556).

The spelling of 33140005423 in words is "thirty-three billion, one hundred forty million, five thousand, four hundred twenty-three".