240021252234423 has 24 divisors (see below), whose sum is σ = 378216651221136. Its totient is φ = 145466908416000.

The previous prime is 240021252234377. The next prime is 240021252234443. The reversal of 240021252234423 is 324432252120042.

240021252234423 is a `hidden beast` number, since 2 + 4 + 0 + 0 + 2 + 1 + 2 + 5 + 223 + 4 + 423 = 666.

It is not a de Polignac number, because 240021252234423 - 2¹² = 240021252230327 is a prime.

It is a super-2 number, since 2×240021252234423² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240021252234443) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24654711 + ... + 32983287.

It is an arithmetic number, because the mean of its divisors is an integer number (15759027134214).

Almost surely, 2^{240021252234423} is an apocalyptic number.

240021252234423 is a deficient number, since it is larger than the sum of its proper divisors (138195398986713).

240021252234423 is a wasteful number, since it uses less digits than its factorization.

240021252234423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8619695 (or 8619692 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 36.

The spelling of 240021252234423 in words is "two hundred forty trillion, twenty-one billion, two hundred fifty-two million, two hundred thirty-four thousand, four hundred twenty-three".