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23423253 = 371676679
BaseRepresentation
bin101100101011…
…0100100010101
31122002000122220
41121112210111
521444021003
62154012553
7403044240
oct131264425
948060586
1023423253
1112249267
127a17159
134b11619
14317a257
1520ca353
hex1656915

23423253 has 16 divisors (see below), whose sum is σ = 35911680. Its totient is φ = 13302576.

The previous prime is 23423243. The next prime is 23423273. The reversal of 23423253 is 35232432.

It is not a de Polignac number, because 23423253 - 25 = 23423221 is a prime.

It is a super-2 number, since 2×234232532 = 1097297562204018, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23423203) 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, 168 + ... + 6846.

It is an arithmetic number, because the mean of its divisors is an integer number (2244480).

Almost surely, 223423253 is an apocalyptic number.

It is an amenable number.

23423253 is a deficient number, since it is larger than the sum of its proper divisors (12488427).

23423253 is a wasteful number, since it uses less digits than its factorization.

23423253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6856.

The product of its digits is 4320, while the sum is 24.

The square root of 23423253 is about 4839.7575352491. The cubic root of 23423253 is about 286.1205622402.

Adding to 23423253 its reverse (35232432), we get a palindrome (58655685).

The spelling of 23423253 in words is "twenty-three million, four hundred twenty-three thousand, two hundred fifty-three".

Divisors: 1 3 7 21 167 501 1169 3507 6679 20037 46753 140259 1115393 3346179 7807751 23423253