23642522443 has 2 divisors, whose sum is σ = 23642522444. Its totient is φ = 23642522442.

The previous prime is 23642522413. The next prime is 23642522537. The reversal of 23642522443 is 34422524632.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23642522443 - 2¹³ = 23642514251 is a prime.

It is not a weakly prime, because it can be changed into another prime (23642522413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11821261221 + 11821261222.

It is an arithmetic number, because the mean of its divisors is an integer number (11821261222).

Almost surely, 2^23642522443 is an apocalyptic number.

23642522443 is a deficient number, since it is larger than the sum of its proper divisors (1).

23642522443 is an equidigital number, since it uses as much as digits as its factorization.

23642522443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 276480, while the sum is 37.

The spelling of 23642522443 in words is "twenty-three billion, six hundred forty-two million, five hundred twenty-two thousand, four hundred forty-three".