21352052023 has 2 divisors, whose sum is σ = 21352052024. Its totient is φ = 21352052022.

The previous prime is 21352051997. The next prime is 21352052041. The reversal of 21352052023 is 32025025312.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21352052023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21352052083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10676026011 + 10676026012.

It is an arithmetic number, because the mean of its divisors is an integer number (10676026012).

Almost surely, 2^21352052023 is an apocalyptic number.

21352052023 is a deficient number, since it is larger than the sum of its proper divisors (1).

21352052023 is an equidigital number, since it uses as much as digits as its factorization.

21352052023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 25.

Adding to 21352052023 its reverse (32025025312), we get a palindrome (53377077335).

The spelling of 21352052023 in words is "twenty-one billion, three hundred fifty-two million, fifty-two thousand, twenty-three".