20123400932711 has 8 divisors (see below), whose sum is σ = 20127330492624. Its totient is φ = 20119471641280.

The previous prime is 20123400932689. The next prime is 20123400932737. The reversal of 20123400932711 is 11723900432102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20123400932711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20123400932111) 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, 211383755 + ... + 211478931.

It is an arithmetic number, because the mean of its divisors is an integer number (2515916311578).

Almost surely, 2^{20123400932711} is an apocalyptic number.

20123400932711 is a deficient number, since it is larger than the sum of its proper divisors (3929559913).

20123400932711 is an equidigital number, since it uses as much as digits as its factorization.

20123400932711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134241.

The product of its (nonzero) digits is 18144, while the sum is 35.

The spelling of 20123400932711 in words is "twenty trillion, one hundred twenty-three billion, four hundred million, nine hundred thirty-two thousand, seven hundred eleven".