201430123301997 has 8 divisors (see below), whose sum is σ = 298414997484480. Its totient is φ = 134286748867980.

The previous prime is 201430123301951. The next prime is 201430123302029. The reversal of 201430123301997 is 799103321034102.

201430123301997 is a `hidden beast` number, since 2 + 0 + 1 + 4 + 301 + 2 + 330 + 1 + 9 + 9 + 7 = 666.

It is not a de Polignac number, because 201430123301997 - 2¹⁴ = 201430123285613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201430123301947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3730187468529 + ... + 3730187468582.

It is an arithmetic number, because the mean of its divisors is an integer number (37301874685560).

Almost surely, 2^{201430123301997} is an apocalyptic number.

201430123301997 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

201430123301997 is a deficient number, since it is larger than the sum of its proper divisors (96984874182483).

201430123301997 is an equidigital number, since it uses as much as digits as its factorization.

201430123301997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7460374937120 (or 7460374937114 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The spelling of 201430123301997 in words is "two hundred one trillion, four hundred thirty billion, one hundred twenty-three million, three hundred one thousand, nine hundred ninety-seven".