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23033224121 = 237931739989
BaseRepresentation
bin10101011100111000…
…110001101110111001
32012110020002000111212
4111130320301232321
5334133001132441
614325321532505
71443533113625
oct253470615671
965406060455
1023033224121
11984a722216
124569944135
132230c227cb
14118709a185
158ec1c3eeb
hex55ce31bb9

23033224121 has 16 divisors (see below), whose sum is σ = 24416294400. Its totient is φ = 21683732928.

The previous prime is 23033224117. The next prime is 23033224133. The reversal of 23033224121 is 12142233032.

It is not a de Polignac number, because 23033224121 - 22 = 23033224117 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23033224141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 555995 + ... + 595983.

It is an arithmetic number, because the mean of its divisors is an integer number (1526018400).

Almost surely, 223033224121 is an apocalyptic number.

It is an amenable number.

23033224121 is a deficient number, since it is larger than the sum of its proper divisors (1383070279).

23033224121 is a wasteful number, since it uses less digits than its factorization.

23033224121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40408.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 23033224121 its reverse (12142233032), we get a palindrome (35175457153).

The spelling of 23033224121 in words is "twenty-three billion, thirty-three million, two hundred twenty-four thousand, one hundred twenty-one".

Divisors: 1 23 79 317 1817 7291 25043 39989 575989 919747 3159131 12676513 72660013 291559799 1001444527 23033224121