23403453201547 has 2 divisors, whose sum is σ = 23403453201548. Its totient is φ = 23403453201546.

The previous prime is 23403453201487. The next prime is 23403453201551. The reversal of 23403453201547 is 74510235430432.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23403453201547 - 2¹¹ = 23403453199499 is a prime.

It is not a weakly prime, because it can be changed into another prime (23403453201847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11701726600773 + 11701726600774.

It is an arithmetic number, because the mean of its divisors is an integer number (11701726600774).

Almost surely, 2^{23403453201547} is an apocalyptic number.

23403453201547 is a deficient number, since it is larger than the sum of its proper divisors (1).

23403453201547 is an equidigital number, since it uses as much as digits as its factorization.

23403453201547 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1209600, while the sum is 43.

Adding to 23403453201547 its reverse (74510235430432), we get a palindrome (97913688631979).

The spelling of 23403453201547 in words is "twenty-three trillion, four hundred three billion, four hundred fifty-three million, two hundred one thousand, five hundred forty-seven".