23403555252479 has 2 divisors, whose sum is σ = 23403555252480. Its totient is φ = 23403555252478.

The previous prime is 23403555252391. The next prime is 23403555252509. The reversal of 23403555252479 is 97425255530432.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23403555252479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23403555552479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11701777626239 + 11701777626240.

It is an arithmetic number, because the mean of its divisors is an integer number (11701777626240).

Almost surely, 2^{23403555252479} is an apocalyptic number.

23403555252479 is a deficient number, since it is larger than the sum of its proper divisors (1).

23403555252479 is an equidigital number, since it uses as much as digits as its factorization.

23403555252479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360000, while the sum is 56.

The spelling of 23403555252479 in words is "twenty-three trillion, four hundred three billion, five hundred fifty-five million, two hundred fifty-two thousand, four hundred seventy-nine".