23484017621 has 2 divisors, whose sum is σ = 23484017622. Its totient is φ = 23484017620.

The previous prime is 23484017611. The next prime is 23484017629. The reversal of 23484017621 is 12671048432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18641806225 + 4842211396 = 136535^2 + 69586^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23484017621 is a prime.

It is a super-3 number, since 3×23484017621³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23484017629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11742008810 + 11742008811.

It is an arithmetic number, because the mean of its divisors is an integer number (11742008811).

Almost surely, 2^23484017621 is an apocalyptic number.

It is an amenable number.

23484017621 is a deficient number, since it is larger than the sum of its proper divisors (1).

23484017621 is an equidigital number, since it uses as much as digits as its factorization.

23484017621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64512, while the sum is 38.

The spelling of 23484017621 in words is "twenty-three billion, four hundred eighty-four million, seventeen thousand, six hundred twenty-one".