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23450233205431 is a prime number
BaseRepresentation
bin1010101010011111011101…
…10100011111001010110111
310002000211011001221101102201
411111033232310133022313
511033202034200033211
6121512515521445331
74640136432255664
oct525175664371267
9102024131841381
1023450233205431
11752120833091a
12276898b7a0847
131011469603c66
145b0dd69d0a6b
152a9edb0810c1
hex1553eed1f2b7

23450233205431 has 2 divisors, whose sum is σ = 23450233205432. Its totient is φ = 23450233205430.

The previous prime is 23450233205419. The next prime is 23450233205479. The reversal of 23450233205431 is 13450233205432.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23450233205431 - 29 = 23450233204919 is a prime.

It is a super-2 number, since 2×234502332054312 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23450233205131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11725116602715 + 11725116602716.

It is an arithmetic number, because the mean of its divisors is an integer number (11725116602716).

Almost surely, 223450233205431 is an apocalyptic number.

23450233205431 is a deficient number, since it is larger than the sum of its proper divisors (1).

23450233205431 is an equidigital number, since it uses as much as digits as its factorization.

23450233205431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 259200, while the sum is 37.

Subtracting from 23450233205431 its reverse (13450233205432), we obtain a palindrome (9999999999999).

The spelling of 23450233205431 in words is "twenty-three trillion, four hundred fifty billion, two hundred thirty-three million, two hundred five thousand, four hundred thirty-one".