23100220519 has 2 divisors, whose sum is σ = 23100220520. Its totient is φ = 23100220518.

The previous prime is 23100220489. The next prime is 23100220553. The reversal of 23100220519 is 91502200132.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23100220519 - 2¹⁹ = 23099696231 is a prime.

It is a super-2 number, since 2×23100220519² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23100220493 and 23100220502.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23100220579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11550110259 + 11550110260.

It is an arithmetic number, because the mean of its divisors is an integer number (11550110260).

Almost surely, 2^23100220519 is an apocalyptic number.

23100220519 is a deficient number, since it is larger than the sum of its proper divisors (1).

23100220519 is an equidigital number, since it uses as much as digits as its factorization.

23100220519 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 25.

The spelling of 23100220519 in words is "twenty-three billion, one hundred million, two hundred twenty thousand, five hundred nineteen".