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23311230323 = 179130230337
BaseRepresentation
bin10101101101011101…
…010010010101110011
32020011121012012022212
4111231131102111303
5340220133332243
614413052322335
71453450121423
oct255535222563
966147165285
1023311230323
119982644407
124626a733ab
1322766bc814
1411b1d86483
159167db318
hex56d752573

23311230323 has 4 divisors (see below), whose sum is σ = 23441460840. Its totient is φ = 23180999808.

The previous prime is 23311230317. The next prime is 23311230343. The reversal of 23311230323 is 32303211332.

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 23311230323 - 24 = 23311230307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23311230343) 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, 65114990 + ... + 65115347.

It is an arithmetic number, because the mean of its divisors is an integer number (5860365210).

Almost surely, 223311230323 is an apocalyptic number.

23311230323 is a deficient number, since it is larger than the sum of its proper divisors (130230517).

23311230323 is a wasteful number, since it uses less digits than its factorization.

23311230323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130230516.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 23311230323 its reverse (32303211332), we get a palindrome (55614441655).

The spelling of 23311230323 in words is "twenty-three billion, three hundred eleven million, two hundred thirty thousand, three hundred twenty-three".

Divisors: 1 179 130230337 23311230323