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23930478269 is a prime number
BaseRepresentation
bin10110010010010111…
…100001111010111101
32021202202102020210222
4112102113201322331
5343002200301034
614554333111125
71505006465135
oct262227417275
967682366728
1023930478269
11a170149575
12477a3284a5
132344a97419
1412302ddac5
15950d5c12e
hex5925e1ebd

23930478269 has 2 divisors, whose sum is σ = 23930478270. Its totient is φ = 23930478268.

The previous prime is 23930478223. The next prime is 23930478307. The reversal of 23930478269 is 96287403932.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23154187225 + 776291044 = 152165^2 + 27862^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23930478269 is a prime.

It is a super-2 number, since 2×239304782692 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23930478269.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23930478469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11965239134 + 11965239135.

It is an arithmetic number, because the mean of its divisors is an integer number (11965239135).

Almost surely, 223930478269 is an apocalyptic number.

It is an amenable number.

23930478269 is a deficient number, since it is larger than the sum of its proper divisors (1).

23930478269 is an equidigital number, since it uses as much as digits as its factorization.

23930478269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3919104, while the sum is 53.

The spelling of 23930478269 in words is "twenty-three billion, nine hundred thirty million, four hundred seventy-eight thousand, two hundred sixty-nine".