23405012252651 has 4 divisors (see below), whose sum is σ = 23846616257472. Its totient is φ = 22963408247832.

The previous prime is 23405012252647. The next prime is 23405012252669. The reversal of 23405012252651 is 15625221050432.

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

It is a cyclic number.

It is not a de Polignac number, because 23405012252651 - 2² = 23405012252647 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23405012254651) 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, 220802002331 + ... + 220802002436.

It is an arithmetic number, because the mean of its divisors is an integer number (5961654064368).

Almost surely, 2^{23405012252651} is an apocalyptic number.

23405012252651 is a deficient number, since it is larger than the sum of its proper divisors (441604004821).

23405012252651 is an equidigital number, since it uses as much as digits as its factorization.

23405012252651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441604004820.

The product of its (nonzero) digits is 144000, while the sum is 38.

The spelling of 23405012252651 in words is "twenty-three trillion, four hundred five billion, twelve million, two hundred fifty-two thousand, six hundred fifty-one".