23105404052011 has 16 divisors (see below), whose sum is σ = 24689840198400. Its totient is φ = 21574453017600.

The previous prime is 23105404051969. The next prime is 23105404052023. The reversal of 23105404052011 is 11025040450132.

It is a cyclic number.

It is not a de Polignac number, because 23105404052011 - 2⁷ = 23105404051883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23105404052111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7345566 + ... + 10008403.

It is an arithmetic number, because the mean of its divisors is an integer number (1543115012400).

Almost surely, 2^{23105404052011} is an apocalyptic number.

23105404052011 is a deficient number, since it is larger than the sum of its proper divisors (1584436146389).

23105404052011 is a wasteful number, since it uses less digits than its factorization.

23105404052011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17355510.

The product of its (nonzero) digits is 4800, while the sum is 28.

The spelling of 23105404052011 in words is "twenty-three trillion, one hundred five billion, four hundred four million, fifty-two thousand, eleven".