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23001414421 = 197971518947
BaseRepresentation
bin10101011010111111…
…011011101100010101
32012101000012220210211
4111122333123230111
5334101330230141
614322224045421
71442665540156
oct253277335425
965330186724
1023001414421
119833776107
12455b163871
132227465bbb
141182b7992d
158e94ddd81
hex55afdbb15

23001414421 has 8 divisors (see below), whose sum is σ = 24242410080. Its totient is φ = 21763458288.

The previous prime is 23001414407. The next prime is 23001414427. The reversal of 23001414421 is 12441410032.

It is a happy number.

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 23001414421 - 25 = 23001414389 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23001414392 and 23001414401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23001414427) 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, 744331 + ... + 774616.

It is an arithmetic number, because the mean of its divisors is an integer number (3030301260).

Almost surely, 223001414421 is an apocalyptic number.

It is an amenable number.

23001414421 is a deficient number, since it is larger than the sum of its proper divisors (1240995659).

23001414421 is a wasteful number, since it uses less digits than its factorization.

23001414421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1519763.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 23001414421 its reverse (12441410032), we get a palindrome (35442824453).

The spelling of 23001414421 in words is "twenty-three billion, one million, four hundred fourteen thousand, four hundred twenty-one".

Divisors: 1 19 797 15143 1518947 28859993 1210600759 23001414421