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23942630469 = 310377484241
BaseRepresentation
bin10110010011000101…
…111000110001000101
32021210121021122111110
4112103011320301011
5343013303133334
614555445355233
71505215000242
oct262305706105
967717248443
1023942630469
11a176a9970a
124782408b19
132347460784
141231b845c9
15951e5cae9
hex593178c45

23942630469 has 8 divisors (see below), whose sum is σ = 32233444672. Its totient is φ = 15806784960.

The previous prime is 23942630449. The next prime is 23942630471. The reversal of 23942630469 is 96403624932.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23942630469 - 29 = 23942629957 is a prime.

It is a super-2 number, since 2×239426304692 (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 (23942630429) 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, 38741812 + ... + 38742429.

It is an arithmetic number, because the mean of its divisors is an integer number (4029180584).

Almost surely, 223942630469 is an apocalyptic number.

It is an amenable number.

23942630469 is a deficient number, since it is larger than the sum of its proper divisors (8290814203).

23942630469 is a wasteful number, since it uses less digits than its factorization.

23942630469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77484347.

The product of its (nonzero) digits is 1679616, while the sum is 48.

The spelling of 23942630469 in words is "twenty-three billion, nine hundred forty-two million, six hundred thirty thousand, four hundred sixty-nine".

Divisors: 1 3 103 309 77484241 232452723 7980876823 23942630469