30423901 has 2 divisors, whose sum is σ = 30423902. Its totient is φ = 30423900.

The previous prime is 30423889. The next prime is 30423907. The reversal of 30423901 is 10932403.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30239001 + 184900 = 5499^2 + 430^2 .

It is a cyclic number.

It is not a de Polignac number, because 30423901 - 2⁷ = 30423773 is a prime.

It is a super-2 number, since 2×30423901² = 1851227504115602, which contains 22 as substring.

It is a pancake number, because a pancake can be divided into 30423901 parts by 7800 straight cuts.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30423907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15211950 + 15211951.

It is an arithmetic number, because the mean of its divisors is an integer number (15211951).

Almost surely, 2^30423901 is an apocalyptic number.

It is an amenable number.

30423901 is a deficient number, since it is larger than the sum of its proper divisors (1).

30423901 is an equidigital number, since it uses as much as digits as its factorization.

30423901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 30423901 is about 5515.7865259635. The cubic root of 30423901 is about 312.1799210168.

The spelling of 30423901 in words is "thirty million, four hundred twenty-three thousand, nine hundred one".