43023768453101 has 2 divisors, whose sum is σ = 43023768453102. Its totient is φ = 43023768453100.

The previous prime is 43023768453049. The next prime is 43023768453139. The reversal of 43023768453101 is 10135486732034.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36364530150601 + 6659238302500 = 6030301^2 + 2580550^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43023768453101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43023768453151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21511884226550 + 21511884226551.

It is an arithmetic number, because the mean of its divisors is an integer number (21511884226551).

Almost surely, 2^{43023768453101} is an apocalyptic number.

It is an amenable number.

43023768453101 is a deficient number, since it is larger than the sum of its proper divisors (1).

43023768453101 is an equidigital number, since it uses as much as digits as its factorization.

43023768453101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1451520, while the sum is 47.

The spelling of 43023768453101 in words is "forty-three trillion, twenty-three billion, seven hundred sixty-eight million, four hundred fifty-three thousand, one hundred one".