8732123401 has 2 divisors, whose sum is σ = 8732123402. Its totient is φ = 8732123400.

The previous prime is 8732123377. The next prime is 8732123429. The reversal of 8732123401 is 1043212378.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8690714176 + 41409225 = 93224^2 + 6435^2 .

It is a cyclic number.

It is not a de Polignac number, because 8732123401 - 2¹⁹ = 8731599113 is a prime.

It is a super-3 number, since 3×8732123401³ (a number of 31 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (8732123441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4366061700 + 4366061701.

It is an arithmetic number, because the mean of its divisors is an integer number (4366061701).

Almost surely, 2^8732123401 is an apocalyptic number.

It is an amenable number.

8732123401 is a deficient number, since it is larger than the sum of its proper divisors (1).

8732123401 is an equidigital number, since it uses as much as digits as its factorization.

8732123401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 8732123401 is about 93445.8313730473. The cubic root of 8732123401 is about 2059.2383680937.

Adding to 8732123401 its reverse (1043212378), we get a palindrome (9775335779).

The spelling of 8732123401 in words is "eight billion, seven hundred thirty-two million, one hundred twenty-three thousand, four hundred one".