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4023235231 = 4967809993
BaseRepresentation
bin1110111111001101…
…1011001010011111
3101101101102112012021
43233303123022133
531214422011411
61503115521011
7201461635531
oct35763331237
911341375167
104023235231
1117850141a4
12943459167
134c1698582
142a2481851
15188314a71
hexefcdb29f

4023235231 has 4 divisors (see below), whose sum is σ = 4024050192. Its totient is φ = 4022420272.

The previous prime is 4023235217. The next prime is 4023235241. The reversal of 4023235231 is 1325323204.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4023235231 - 27 = 4023235103 is a prime.

It is a super-2 number, since 2×40232352312 = 32372843447919246722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4023235196 and 4023235205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4023235241) 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, 400030 + ... + 409963.

It is an arithmetic number, because the mean of its divisors is an integer number (1006012548).

Almost surely, 24023235231 is an apocalyptic number.

4023235231 is a deficient number, since it is larger than the sum of its proper divisors (814961).

4023235231 is an equidigital number, since it uses as much as digits as its factorization.

4023235231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814960.

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

The square root of 4023235231 is about 63428.9778492449. The cubic root of 4023235231 is about 1590.4687555577.

Adding to 4023235231 its reverse (1325323204), we get a palindrome (5348558435).

The spelling of 4023235231 in words is "four billion, twenty-three million, two hundred thirty-five thousand, two hundred thirty-one".

Divisors: 1 4967 809993 4023235231