20110970923 has 2 divisors, whose sum is σ = 20110970924. Its totient is φ = 20110970922.

The previous prime is 20110970911. The next prime is 20110970939. The reversal of 20110970923 is 32907901102.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20110970923 - 2¹⁷ = 20110839851 is a prime.

It is not a weakly prime, because it can be changed into another prime (20110973923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10055485461 + 10055485462.

It is an arithmetic number, because the mean of its divisors is an integer number (10055485462).

Almost surely, 2^20110970923 is an apocalyptic number.

20110970923 is a deficient number, since it is larger than the sum of its proper divisors (1).

20110970923 is an equidigital number, since it uses as much as digits as its factorization.

20110970923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 34.

The spelling of 20110970923 in words is "twenty billion, one hundred ten million, nine hundred seventy thousand, nine hundred twenty-three".