33634140142023 has 16 divisors (see below), whose sum is σ = 49828459618560. Its totient is φ = 22422713361048.

The previous prime is 33634140142019. The next prime is 33634140142049. The reversal of 33634140142023 is 32024104143633.

It is a happy number.

33634140142023 is a `hidden beast` number, since 3 + 3 + 6 + 3 + 41 + 401 + 4 + 202 + 3 = 666.

It is not a de Polignac number, because 33634140142023 - 2² = 33634140142019 is a prime.

It is a super-2 number, since 2×33634140142023² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33634140142223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16170036 + ... + 18131142.

It is an arithmetic number, because the mean of its divisors is an integer number (3114278726160).

Almost surely, 2^{33634140142023} is an apocalyptic number.

33634140142023 is a deficient number, since it is larger than the sum of its proper divisors (16194319476537).

33634140142023 is a wasteful number, since it uses less digits than its factorization.

33634140142023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2596323 (or 2596317 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 36.

Adding to 33634140142023 its reverse (32024104143633), we get a palindrome (65658244285656).

The spelling of 33634140142023 in words is "thirty-three trillion, six hundred thirty-four billion, one hundred forty million, one hundred forty-two thousand, twenty-three".