30423397 has 2 divisors, whose sum is σ = 30423398. Its totient is φ = 30423396.

The previous prime is 30423391. The next prime is 30423413. The reversal of 30423397 is 79332403.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20349121 + 10074276 = 4511^2 + 3174^2 .

It is a cyclic number.

It is not a de Polignac number, because 30423397 - 2¹⁵ = 30390629 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30423391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15211698 + 15211699.

It is an arithmetic number, because the mean of its divisors is an integer number (15211699).

Almost surely, 2^30423397 is an apocalyptic number.

It is an amenable number.

30423397 is a deficient number, since it is larger than the sum of its proper divisors (1).

30423397 is an equidigital number, since it uses as much as digits as its factorization.

30423397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 31.

The square root of 30423397 is about 5515.7408387269. The cubic root of 30423397 is about 312.1781971578.

The spelling of 30423397 in words is "thirty million, four hundred twenty-three thousand, three hundred ninety-seven".