20701210723 has 2 divisors, whose sum is σ = 20701210724. Its totient is φ = 20701210722.

The previous prime is 20701210669. The next prime is 20701210727. The reversal of 20701210723 is 32701210702.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20701210723 - 2²⁵ = 20667656291 is a prime.

It is not a weakly prime, because it can be changed into another prime (20701210727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10350605361 + 10350605362.

It is an arithmetic number, because the mean of its divisors is an integer number (10350605362).

Almost surely, 2^20701210723 is an apocalyptic number.

20701210723 is a deficient number, since it is larger than the sum of its proper divisors (1).

20701210723 is an equidigital number, since it uses as much as digits as its factorization.

20701210723 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1176, while the sum is 25.

The spelling of 20701210723 in words is "twenty billion, seven hundred one million, two hundred ten thousand, seven hundred twenty-three".