30723001 has 2 divisors, whose sum is σ = 30723002. Its totient is φ = 30723000.

The previous prime is 30722969. The next prime is 30723047. The reversal of 30723001 is 10032703.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17935225 + 12787776 = 4235^2 + 3576^2 .

It is a cyclic number.

It is not a de Polignac number, because 30723001 - 2⁵ = 30722969 is a prime.

It is not a weakly prime, because it can be changed into another prime (30723071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15361500 + 15361501.

It is an arithmetic number, because the mean of its divisors is an integer number (15361501).

Almost surely, 2^30723001 is an apocalyptic number.

It is an amenable number.

30723001 is a deficient number, since it is larger than the sum of its proper divisors (1).

30723001 is an equidigital number, since it uses as much as digits as its factorization.

30723001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 126, while the sum is 16.

The square root of 30723001 is about 5542.8333007587. The cubic root of 30723001 is about 313.1996093276.

Adding to 30723001 its reverse (10032703), we get a palindrome (40755704).

The spelling of 30723001 in words is "thirty million, seven hundred twenty-three thousand, one".