22001203239023 has 2 divisors, whose sum is σ = 22001203239024. Its totient is φ = 22001203239022.

The previous prime is 22001203239019. The next prime is 22001203239121. The reversal of 22001203239023 is 32093230210022.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22001203239023 - 2² = 22001203239019 is a prime.

It is a super-2 number, since 2×22001203239023² (a number of 27 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22001203539023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11000601619511 + 11000601619512.

It is an arithmetic number, because the mean of its divisors is an integer number (11000601619512).

Almost surely, 2^{22001203239023} is an apocalyptic number.

22001203239023 is a deficient number, since it is larger than the sum of its proper divisors (1).

22001203239023 is an equidigital number, since it uses as much as digits as its factorization.

22001203239023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 22001203239023 its reverse (32093230210022), we get a palindrome (54094433449045).

The spelling of 22001203239023 in words is "twenty-two trillion, one billion, two hundred three million, two hundred thirty-nine thousand, twenty-three".