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23231020301 = 191222685279
BaseRepresentation
bin10101101000101011…
…010011110100001101
32012222000021002212022
4111220223103310031
5340034120122201
614401105215525
71451454262106
oct255053236415
965860232768
1023231020301
11994133a435
1246040315a5
132262bb7978
1411a54673ad
1590e74541b
hex568ad3d0d

23231020301 has 4 divisors (see below), whose sum is σ = 24453705600. Its totient is φ = 22008335004.

The previous prime is 23231020289. The next prime is 23231020331. The reversal of 23231020301 is 10302013232.

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 not a de Polignac number, because 23231020301 - 218 = 23230758157 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23231020301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23231020331) 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, 611342621 + ... + 611342658.

It is an arithmetic number, because the mean of its divisors is an integer number (6113426400).

Almost surely, 223231020301 is an apocalyptic number.

It is an amenable number.

23231020301 is a deficient number, since it is larger than the sum of its proper divisors (1222685299).

23231020301 is a wasteful number, since it uses less digits than its factorization.

23231020301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222685298.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 23231020301 its reverse (10302013232), we get a palindrome (33533033533).

The spelling of 23231020301 in words is "twenty-three billion, two hundred thirty-one million, twenty thousand, three hundred one".

Divisors: 1 19 1222685279 23231020301