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23430151 = 137171023
BaseRepresentation
bin101100101100…
…0010000000111
31122002101010101
41121120100013
521444231101
62154104531
7403103323
oct131302007
948071111
1023430151
1112253468
127a1b147
134b147c4
14317c983
1520cc401
hex1658407

23430151 has 4 divisors (see below), whose sum is σ = 23601312. Its totient is φ = 23258992.

The previous prime is 23430133. The next prime is 23430157. The reversal of 23430151 is 15103432.

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 23430151 - 25 = 23430119 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 (23430157) 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, 85375 + ... + 85648.

It is an arithmetic number, because the mean of its divisors is an integer number (5900328).

Almost surely, 223430151 is an apocalyptic number.

23430151 is a deficient number, since it is larger than the sum of its proper divisors (171161).

23430151 is a wasteful number, since it uses less digits than its factorization.

23430151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171160.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 23430151 is about 4840.4701217960. The cubic root of 23430151 is about 286.1486463827.

Adding to 23430151 its reverse (15103432), we get a palindrome (38533583).

The spelling of 23430151 in words is "twenty-three million, four hundred thirty thousand, one hundred fifty-one".

Divisors: 1 137 171023 23430151