23400544405 has 16 divisors (see below), whose sum is σ = 32170659840. Its totient is φ = 16006845312.

The previous prime is 23400544399. The next prime is 23400544429. The reversal of 23400544405 is 50444500432.

It is a cyclic number.

It is not a de Polignac number, because 23400544405 - 2³ = 23400544397 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 803029 + ... + 831658.

It is an arithmetic number, because the mean of its divisors is an integer number (2010666240).

Almost surely, 2^23400544405 is an apocalyptic number.

It is an amenable number.

23400544405 is a deficient number, since it is larger than the sum of its proper divisors (8770115435).

23400544405 is a wasteful number, since it uses less digits than its factorization.

23400544405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1635108.

The product of its (nonzero) digits is 38400, while the sum is 31.

The spelling of 23400544405 in words is "twenty-three billion, four hundred million, five hundred forty-four thousand, four hundred five".