43413131023 has 2 divisors, whose sum is σ = 43413131024. Its totient is φ = 43413131022.

The previous prime is 43413131009. The next prime is 43413131059. The reversal of 43413131023 is 32013131434.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43413131023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43413161023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21706565511 + 21706565512.

It is an arithmetic number, because the mean of its divisors is an integer number (21706565512).

Almost surely, 2^43413131023 is an apocalyptic number.

43413131023 is a deficient number, since it is larger than the sum of its proper divisors (1).

43413131023 is an equidigital number, since it uses as much as digits as its factorization.

43413131023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 43413131023 its reverse (32013131434), we get a palindrome (75426262457).

The spelling of 43413131023 in words is "forty-three billion, four hundred thirteen million, one hundred thirty-one thousand, twenty-three".