23210879819 has 2 divisors, whose sum is σ = 23210879820. Its totient is φ = 23210879818.

The previous prime is 23210879803. The next prime is 23210879827. The reversal of 23210879819 is 91897801232.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23210879819 - 2⁴ = 23210879803 is a prime.

It is a super-2 number, since 2×23210879819² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23210879869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11605439909 + 11605439910.

It is an arithmetic number, because the mean of its divisors is an integer number (11605439910).

Almost surely, 2^23210879819 is an apocalyptic number.

23210879819 is a deficient number, since it is larger than the sum of its proper divisors (1).

23210879819 is an equidigital number, since it uses as much as digits as its factorization.

23210879819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 435456, while the sum is 50.

The spelling of 23210879819 in words is "twenty-three billion, two hundred ten million, eight hundred seventy-nine thousand, eight hundred nineteen".