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23013331 = 112418681
BaseRepresentation
bin101011111001…
…0011111010011
31121022012100121
41113302133103
521342411311
62141131111
7366416155
oct127623723
947265317
1023013331
1111a99290
127859a97
1349c9b73
1430b0ad5
152048b71
hex15f27d3

23013331 has 8 divisors (see below), whose sum is σ = 25212528. Its totient is φ = 20832000.

The previous prime is 23013329. The next prime is 23013373. The reversal of 23013331 is 13331032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23013331 - 21 = 23013329 is a prime.

It is a super-2 number, since 2×230133312 = 1059226807431122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23013131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1690 + ... + 6991.

It is an arithmetic number, because the mean of its divisors is an integer number (3151566).

Almost surely, 223013331 is an apocalyptic number.

23013331 is a deficient number, since it is larger than the sum of its proper divisors (2199197).

23013331 is a wasteful number, since it uses less digits than its factorization.

23013331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8933.

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 23013331 is about 4797.2211748053. The cubic root of 23013331 is about 284.4416317075.

Adding to 23013331 its reverse (13331032), we get a palindrome (36344363).

The spelling of 23013331 in words is "twenty-three million, thirteen thousand, three hundred thirty-one".

Divisors: 1 11 241 2651 8681 95491 2092121 23013331