23406600426 has 64 divisors (see below), whose sum is σ = 52147863936. Its totient is φ = 6944486400.

The previous prime is 23406600401. The next prime is 23406600431. The reversal of 23406600426 is 62400660432.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 642336 + ... + 677796.

It is an arithmetic number, because the mean of its divisors is an integer number (814810374).

Almost surely, 2^23406600426 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23406600426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26073931968).

23406600426 is an abundant number, since it is smaller than the sum of its proper divisors (28741263510).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23406600426 is a wasteful number, since it uses less digits than its factorization.

23406600426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35687.

The product of its (nonzero) digits is 41472, while the sum is 33.

The spelling of 23406600426 in words is "twenty-three billion, four hundred six million, six hundred thousand, four hundred twenty-six".