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23510423009 = 58687400607
BaseRepresentation
bin10101111001010101…
…001001010111100001
32020200111000020022202
4111321111021113201
5341122132014014
614444525542545
71461416204213
oct257125112741
966614006282
1023510423009
119a75025867
124681714a55
1322a8a53508
1411d05d85b3
159290363de
hex5795495e1

23510423009 has 4 divisors (see below), whose sum is σ = 23510882304. Its totient is φ = 23509963716.

The previous prime is 23510422993. The next prime is 23510423017. The reversal of 23510423009 is 90032401532.

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 23510423009 - 24 = 23510422993 is a prime.

It is a super-2 number, since 2×235104230092 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23510423059) 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, 141617 + ... + 258990.

It is an arithmetic number, because the mean of its divisors is an integer number (5877720576).

Almost surely, 223510423009 is an apocalyptic number.

It is an amenable number.

23510423009 is a deficient number, since it is larger than the sum of its proper divisors (459295).

23510423009 is an equidigital number, since it uses as much as digits as its factorization.

23510423009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459294.

The product of its (nonzero) digits is 6480, while the sum is 29.

The spelling of 23510423009 in words is "twenty-three billion, five hundred ten million, four hundred twenty-three thousand, nine".

Divisors: 1 58687 400607 23510423009