23400411819 has 4 divisors (see below), whose sum is σ = 31200549096. Its totient is φ = 15600274544.

The previous prime is 23400411809. The next prime is 23400411829. The reversal of 23400411819 is 91811400432.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (23400411809) and next prime (23400411829).

It is a cyclic number.

It is not a de Polignac number, because 23400411819 - 2⁴ = 23400411803 is a prime.

It is a super-2 number, since 2×23400411819² (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 23400411819.

It is not an unprimeable number, because it can be changed into a prime (23400411809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3900068634 + ... + 3900068639.

It is an arithmetic number, because the mean of its divisors is an integer number (7800137274).

Almost surely, 2^23400411819 is an apocalyptic number.

23400411819 is a deficient number, since it is larger than the sum of its proper divisors (7800137277).

23400411819 is an equidigital number, since it uses as much as digits as its factorization.

23400411819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7800137276.

The product of its (nonzero) digits is 6912, while the sum is 33.

The spelling of 23400411819 in words is "twenty-three billion, four hundred million, four hundred eleven thousand, eight hundred nineteen".