20236462523 has 2 divisors, whose sum is σ = 20236462524. Its totient is φ = 20236462522.

The previous prime is 20236462511. The next prime is 20236462559. The reversal of 20236462523 is 32526463202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20236462523 - 2¹² = 20236458427 is a prime.

It is not a weakly prime, because it can be changed into another prime (20236462583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10118231261 + 10118231262.

It is an arithmetic number, because the mean of its divisors is an integer number (10118231262).

Almost surely, 2^20236462523 is an apocalyptic number.

20236462523 is a deficient number, since it is larger than the sum of its proper divisors (1).

20236462523 is an equidigital number, since it uses as much as digits as its factorization.

20236462523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 35.

The spelling of 20236462523 in words is "twenty billion, two hundred thirty-six million, four hundred sixty-two thousand, five hundred twenty-three".