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23042332425 = 352743890157
BaseRepresentation
bin10101011101011011…
…100001011100001001
32012110212012202202110
4111131123201130021
5334142314114200
614330245052533
71444003410510
oct253533413411
965425182673
1023042332425
119854883442
1245709b7149
132232a91538
14118838b677
158ecdc2b50
hex55d6e1709

23042332425 has 24 divisors (see below), whose sum is σ = 43539036736. Its totient is φ = 10533637440.

The previous prime is 23042332421. The next prime is 23042332459. The reversal of 23042332425 is 52423324032.

It is a happy number.

It is not a de Polignac number, because 23042332425 - 22 = 23042332421 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23042332392 and 23042332401.

It is not an unprimeable number, because it can be changed into a prime (23042332421) 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, 21944554 + ... + 21945603.

Almost surely, 223042332425 is an apocalyptic number.

23042332425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23042332425 is a deficient number, since it is larger than the sum of its proper divisors (20496704311).

23042332425 is a wasteful number, since it uses less digits than its factorization.

23042332425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43890177 (or 43890172 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 30.

Adding to 23042332425 its reverse (52423324032), we get a palindrome (75465656457).

The spelling of 23042332425 in words is "twenty-three billion, forty-two million, three hundred thirty-two thousand, four hundred twenty-five".

Divisors: 1 3 5 7 15 21 25 35 75 105 175 525 43890157 131670471 219450785 307231099 658352355 921693297 1097253925 1536155495 3291761775 4608466485 7680777475 23042332425