23043200390513 has 2 divisors, whose sum is σ = 23043200390514. Its totient is φ = 23043200390512.

The previous prime is 23043200390473. The next prime is 23043200390519. The reversal of 23043200390513 is 31509300234032.

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., 19313713299169 + 3729487091344 = 4394737^2 + 1931188^2 .

It is a cyclic number.

It is not a de Polignac number, because 23043200390513 - 2³⁶ = 22974480913777 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (23043200390519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11521600195256 + 11521600195257.

It is an arithmetic number, because the mean of its divisors is an integer number (11521600195257).

Almost surely, 2^{23043200390513} is an apocalyptic number.

It is an amenable number.

23043200390513 is a deficient number, since it is larger than the sum of its proper divisors (1).

23043200390513 is an equidigital number, since it uses as much as digits as its factorization.

23043200390513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58320, while the sum is 35.

The spelling of 23043200390513 in words is "twenty-three trillion, forty-three billion, two hundred million, three hundred ninety thousand, five hundred thirteen".