23472377321 has 2 divisors, whose sum is σ = 23472377322. Its totient is φ = 23472377320.

The previous prime is 23472377317. The next prime is 23472377333. The reversal of 23472377321 is 12377327432.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19920217321 + 3552160000 = 141139^2 + 59600^2 .

It is a cyclic number.

It is not a de Polignac number, because 23472377321 - 2² = 23472377317 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (23472377311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11736188660 + 11736188661.

It is an arithmetic number, because the mean of its divisors is an integer number (11736188661).

Almost surely, 2^23472377321 is an apocalyptic number.

It is an amenable number.

23472377321 is a deficient number, since it is larger than the sum of its proper divisors (1).

23472377321 is an equidigital number, since it uses as much as digits as its factorization.

23472377321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 296352, while the sum is 41.

The spelling of 23472377321 in words is "twenty-three billion, four hundred seventy-two million, three hundred seventy-seven thousand, three hundred twenty-one".