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23424121 = 743591319
BaseRepresentation
bin101100101011…
…0110001111001
31122002001212001
41121112301321
521444032441
62154021001
7403046620
oct131266171
948061761
1023424121
1112249986
127a17761
134b11b36
14317a6b7
1520ca731
hex1656c79

23424121 has 16 divisors (see below), whose sum is σ = 27878400. Its totient is φ = 19263888.

The previous prime is 23424103. The next prime is 23424139. The reversal of 23424121 is 12142432.

It is an interprime number because it is at equal distance from previous prime (23424103) and next prime (23424139).

It is not a de Polignac number, because 23424121 - 27 = 23423993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23424101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17100 + ... + 18418.

It is an arithmetic number, because the mean of its divisors is an integer number (1742400).

Almost surely, 223424121 is an apocalyptic number.

It is an amenable number.

23424121 is a deficient number, since it is larger than the sum of its proper divisors (4454279).

23424121 is a wasteful number, since it uses less digits than its factorization.

23424121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1428.

The product of its digits is 384, while the sum is 19.

The square root of 23424121 is about 4839.8472083321. The cubic root of 23424121 is about 286.1240964715.

Adding to 23424121 its reverse (12142432), we get a palindrome (35566553).

The spelling of 23424121 in words is "twenty-three million, four hundred twenty-four thousand, one hundred twenty-one".

Divisors: 1 7 43 59 301 413 1319 2537 9233 17759 56717 77821 397019 544747 3346303 23424121