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4233421023421 = 23184061783627
BaseRepresentation
bin111101100110101011100…
…011100110100010111101
3112222201012101112021200211
4331212223203212202331
51023330021240222141
613000450132352421
7614566055654152
oct75465343464275
915881171467624
104233421023421
111392424891387
12584570175711
132492961869c5
14108c81d4a229
15751c3564d81
hex3d9ab8e68bd

4233421023421 has 4 divisors (see below), whose sum is σ = 4417482807072. Its totient is φ = 4049359239772.

The previous prime is 4233421023373. The next prime is 4233421023431. The reversal of 4233421023421 is 1243201243324.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4233421023421 - 241 = 2034397767869 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 (4233421023431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92030891791 + ... + 92030891836.

It is an arithmetic number, because the mean of its divisors is an integer number (1104370701768).

Almost surely, 24233421023421 is an apocalyptic number.

It is an amenable number.

4233421023421 is a deficient number, since it is larger than the sum of its proper divisors (184061783651).

4233421023421 is a wasteful number, since it uses less digits than its factorization.

4233421023421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184061783650.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 4233421023421 its reverse (1243201243324), we get a palindrome (5476622266745).

The spelling of 4233421023421 in words is "four trillion, two hundred thirty-three billion, four hundred twenty-one million, twenty-three thousand, four hundred twenty-one".

Divisors: 1 23 184061783627 4233421023421