23425354519999 has 2 divisors, whose sum is σ = 23425354520000. Its totient is φ = 23425354519998.

The previous prime is 23425354519969. The next prime is 23425354520017. The reversal of 23425354519999 is 99991545352432.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23425354519999 - 2²³ = 23425346131391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23425354519969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11712677259999 + 11712677260000.

It is an arithmetic number, because the mean of its divisors is an integer number (11712677260000).

Almost surely, 2^{23425354519999} is an apocalyptic number.

23425354519999 is a deficient number, since it is larger than the sum of its proper divisors (1).

23425354519999 is an equidigital number, since it uses as much as digits as its factorization.

23425354519999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 472392000, while the sum is 70.

The spelling of 23425354519999 in words is "twenty-three trillion, four hundred twenty-five billion, three hundred fifty-four million, five hundred nineteen thousand, nine hundred ninety-nine".