18552240023 has 2 divisors, whose sum is σ = 18552240024. Its totient is φ = 18552240022.

The previous prime is 18552239987. The next prime is 18552240071. The reversal of 18552240023 is 32004225581.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18552240023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18552240323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9276120011 + 9276120012.

It is an arithmetic number, because the mean of its divisors is an integer number (9276120012).

Almost surely, 2^18552240023 is an apocalyptic number.

18552240023 is a deficient number, since it is larger than the sum of its proper divisors (1).

18552240023 is an equidigital number, since it uses as much as digits as its factorization.

18552240023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19200, while the sum is 32.

The spelling of 18552240023 in words is "eighteen billion, five hundred fifty-two million, two hundred forty thousand, twenty-three".