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233142323 = 1631430321
BaseRepresentation
bin11011110010101…
…11100000110011
3121020200212010212
431321113200303
5434141023243
635045014335
75530451141
oct1571274063
9536625125
10233142323
1110a66a307
12660b43ab
13393bc64b
1422d6c591
1515704318
hexde57833

233142323 has 4 divisors (see below), whose sum is σ = 234572808. Its totient is φ = 231711840.

The previous prime is 233142317. The next prime is 233142341. The reversal of 233142323 is 323241332.

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 233142323 - 28 = 233142067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (233141323) 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, 714998 + ... + 715323.

It is an arithmetic number, because the mean of its divisors is an integer number (58643202).

Almost surely, 2233142323 is an apocalyptic number.

233142323 is a deficient number, since it is larger than the sum of its proper divisors (1430485).

233142323 is a wasteful number, since it uses less digits than its factorization.

233142323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1430484.

The product of its digits is 2592, while the sum is 23.

The square root of 233142323 is about 15268.9987556486. The cubic root of 233142323 is about 615.4702139066.

Adding to 233142323 its reverse (323241332), we get a palindrome (556383655).

Subtracting 233142323 from its reverse (323241332), we obtain a palindrome (90099009).

The spelling of 233142323 in words is "two hundred thirty-three million, one hundred forty-two thousand, three hundred twenty-three".

Divisors: 1 163 1430321 233142323