123532001 has 2 divisors, whose sum is σ = 123532002. Its totient is φ = 123532000.

The previous prime is 123531983. The next prime is 123532009. The reversal of 123532001 is 100235321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105042001 + 18490000 = 10249^2 + 4300^2 .

It is a cyclic number.

It is not a de Polignac number, because 123532001 - 2²⁶ = 56423137 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 (123532009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61766000 + 61766001.

It is an arithmetic number, because the mean of its divisors is an integer number (61766001).

Almost surely, 2^123532001 is an apocalyptic number.

It is an amenable number.

123532001 is a deficient number, since it is larger than the sum of its proper divisors (1).

123532001 is an equidigital number, since it uses as much as digits as its factorization.

123532001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 123532001 is about 11114.4950852479. The cubic root of 123532001 is about 498.0349553159.

Adding to 123532001 its reverse (100235321), we get a palindrome (223767322).

The spelling of 123532001 in words is "one hundred twenty-three million, five hundred thirty-two thousand, one".