23405010552523 has 4 divisors (see below), whose sum is σ = 24781775879160. Its totient is φ = 22028245225888.

The previous prime is 23405010552487. The next prime is 23405010552541. The reversal of 23405010552523 is 32525501050432.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23405010552523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23405010552923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 688382663293 + ... + 688382663326.

It is an arithmetic number, because the mean of its divisors is an integer number (6195443969790).

Almost surely, 2^{23405010552523} is an apocalyptic number.

23405010552523 is a deficient number, since it is larger than the sum of its proper divisors (1376765326637).

23405010552523 is a wasteful number, since it uses less digits than its factorization.

23405010552523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1376765326636.

The product of its (nonzero) digits is 180000, while the sum is 37.

The spelling of 23405010552523 in words is "twenty-three trillion, four hundred five billion, ten million, five hundred fifty-two thousand, five hundred twenty-three".