23051015543 has 2 divisors, whose sum is σ = 23051015544. Its totient is φ = 23051015542.

The previous prime is 23051015527. The next prime is 23051015567. The reversal of 23051015543 is 34551015032.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23051015543 - 2⁴ = 23051015527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23051015573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11525507771 + 11525507772.

It is an arithmetic number, because the mean of its divisors is an integer number (11525507772).

Almost surely, 2^23051015543 is an apocalyptic number.

23051015543 is a deficient number, since it is larger than the sum of its proper divisors (1).

23051015543 is an equidigital number, since it uses as much as digits as its factorization.

23051015543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9000, while the sum is 29.

The spelling of 23051015543 in words is "twenty-three billion, fifty-one million, fifteen thousand, five hundred forty-three".