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23550054231 = 311713638007
BaseRepresentation
bin10101111011101100…
…010100111101010111
32020210020120201010210
4111323230110331113
5341212303213411
614452503220503
71462410105144
oct257354247527
966706521123
1023550054231
119a95434340
124692a47733
1322b401b242
1411d59933cb
1592c763ca6
hex57bb14f57

23550054231 has 8 divisors (see below), whose sum is σ = 34254624384. Its totient is φ = 14272760120.

The previous prime is 23550054211. The next prime is 23550054233. The reversal of 23550054231 is 13245005532.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23550054231 - 215 = 23550021463 is a prime.

It is a super-2 number, since 2×235500542312 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23550054233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 356818971 + ... + 356819036.

It is an arithmetic number, because the mean of its divisors is an integer number (4281828048).

Almost surely, 223550054231 is an apocalyptic number.

23550054231 is a deficient number, since it is larger than the sum of its proper divisors (10704570153).

23550054231 is a wasteful number, since it uses less digits than its factorization.

23550054231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713638021.

The product of its (nonzero) digits is 18000, while the sum is 30.

Adding to 23550054231 its reverse (13245005532), we get a palindrome (36795059763).

The spelling of 23550054231 in words is "twenty-three billion, five hundred fifty million, fifty-four thousand, two hundred thirty-one".

Divisors: 1 3 11 33 713638007 2140914021 7850018077 23550054231