23123294819 has 2 divisors, whose sum is σ = 23123294820. Its totient is φ = 23123294818.

The previous prime is 23123294783. The next prime is 23123294837. The reversal of 23123294819 is 91849232132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23123294819 - 2⁸ = 23123294563 is a prime.

It is a super-2 number, since 2×23123294819² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23123294819.

It is not a weakly prime, because it can be changed into another prime (23123294869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11561647409 + 11561647410.

It is an arithmetic number, because the mean of its divisors is an integer number (11561647410).

Almost surely, 2^23123294819 is an apocalyptic number.

23123294819 is a deficient number, since it is larger than the sum of its proper divisors (1).

23123294819 is an equidigital number, since it uses as much as digits as its factorization.

23123294819 is an evil number, because the sum of its binary digits is even.

The product of its digits is 186624, while the sum is 44.

The spelling of 23123294819 in words is "twenty-three billion, one hundred twenty-three million, two hundred ninety-four thousand, eight hundred nineteen".