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23000745469 = 131993120427
BaseRepresentation
bin10101011010111100…
…111000010111111101
32012100221221221011211
4111122330320113331
5334101142323334
614322201444421
71442660052652
oct253274702775
965327857154
1023000745469
119833359559
12455aaa0711
132227290580
141182a43c29
158e940aa64
hex55af385fd

23000745469 has 8 divisors (see below), whose sum is σ = 26073719840. Its totient is φ = 20114012016.

The previous prime is 23000745457. The next prime is 23000745473. The reversal of 23000745469 is 96454700032.

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 23000745469 - 29 = 23000744957 is a prime.

It is a super-2 number, since 2×230007454692 (a number of 22 digits) 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 (23000745409) 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, 46559967 + ... + 46560460.

It is an arithmetic number, because the mean of its divisors is an integer number (3259214980).

Almost surely, 223000745469 is an apocalyptic number.

It is an amenable number.

23000745469 is a deficient number, since it is larger than the sum of its proper divisors (3072974371).

23000745469 is a wasteful number, since it uses less digits than its factorization.

23000745469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93120459.

The product of its (nonzero) digits is 181440, while the sum is 40.

The spelling of 23000745469 in words is "twenty-three billion, seven hundred forty-five thousand, four hundred sixty-nine".

Divisors: 1 13 19 247 93120427 1210565551 1769288113 23000745469