20301400523 has 2 divisors, whose sum is σ = 20301400524. Its totient is φ = 20301400522.

The previous prime is 20301400517. The next prime is 20301400543. The reversal of 20301400523 is 32500410302.

It is a happy number.

It is an a-pointer prime, because the next prime (20301400543) can be obtained adding 20301400523 to its sum of digits (20).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20301400523 - 2¹⁶ = 20301334987 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20301400495 and 20301400504.

It is not a weakly prime, because it can be changed into another prime (20301400543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10150700261 + 10150700262.

It is an arithmetic number, because the mean of its divisors is an integer number (10150700262).

Almost surely, 2^20301400523 is an apocalyptic number.

20301400523 is a deficient number, since it is larger than the sum of its proper divisors (1).

20301400523 is an equidigital number, since it uses as much as digits as its factorization.

20301400523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 20301400523 its reverse (32500410302), we get a palindrome (52801810825).

The spelling of 20301400523 in words is "twenty billion, three hundred one million, four hundred thousand, five hundred twenty-three".