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2023013142 = 232671677457
BaseRepresentation
bin111100010010100…
…1011101100010110
312012222122201022200
41320211023230112
513120342410032
6532424105330
7101063220333
oct17045135426
95188581280
102023013142
11948a35797
12485605246
132631740c7
1415296998a
15bc90b47c
hex7894bb16

2023013142 has 24 divisors (see below), whose sum is σ = 4448618616. Its totient is φ = 664272576.

The previous prime is 2023013129. The next prime is 2023013143. The reversal of 2023013142 is 2413103202.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2023013143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 837523 + ... + 839934.

It is an arithmetic number, because the mean of its divisors is an integer number (185359109).

Almost surely, 22023013142 is an apocalyptic number.

2023013142 is an abundant number, since it is smaller than the sum of its proper divisors (2425605474).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2023013142 is a wasteful number, since it uses less digits than its factorization.

2023013142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1677532 (or 1677529 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2023013142 is about 44977.9183822462. The cubic root of 2023013142 is about 1264.7350894811.

Adding to 2023013142 its reverse (2413103202), we get a palindrome (4436116344).

The spelling of 2023013142 in words is "two billion, twenty-three million, thirteen thousand, one hundred forty-two".

Divisors: 1 2 3 6 9 18 67 134 201 402 603 1206 1677457 3354914 5032371 10064742 15097113 30194226 112389619 224779238 337168857 674337714 1011506571 2023013142