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23048653 = 191213087
BaseRepresentation
bin101011111101…
…1000111001101
31121100222210211
41113323013031
521400024103
62142002421
7366624145
oct127730715
947328724
1023048653
1112012881
127876411
134a0cc74
1430bd925
15205436d
hex15fb1cd

23048653 has 4 divisors (see below), whose sum is σ = 24261760. Its totient is φ = 21835548.

The previous prime is 23048647. The next prime is 23048681. The reversal of 23048653 is 35684032.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23048653 is a prime.

It is a super-2 number, since 2×230486532 = 1062480810228818, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23048633) 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, 606525 + ... + 606562.

It is an arithmetic number, because the mean of its divisors is an integer number (6065440).

Almost surely, 223048653 is an apocalyptic number.

It is an amenable number.

23048653 is a deficient number, since it is larger than the sum of its proper divisors (1213107).

23048653 is a wasteful number, since it uses less digits than its factorization.

23048653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1213106.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 23048653 is about 4800.9012695535. The cubic root of 23048653 is about 284.5870823517.

The spelling of 23048653 in words is "twenty-three million, forty-eight thousand, six hundred fifty-three".

Divisors: 1 19 1213087 23048653