23406155426 has 16 divisors (see below), whose sum is σ = 35694908088. Its totient is φ = 11507961600.

The previous prime is 23406155419. The next prime is 23406155453. The reversal of 23406155426 is 62455160432.

It can be written as a sum of positive squares in 4 ways, for example, as 12000983401 + 11405172025 = 109549^2 + 106795^2 .

It is a super-2 number, since 2×23406155426² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23406155426.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 437456 + ... + 488036.

Almost surely, 2^23406155426 is an apocalyptic number.

23406155426 is a deficient number, since it is larger than the sum of its proper divisors (12288752662).

23406155426 is a wasteful number, since it uses less digits than its factorization.

23406155426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54437.

The product of its (nonzero) digits is 172800, while the sum is 38.

The spelling of 23406155426 in words is "twenty-three billion, four hundred six million, one hundred fifty-five thousand, four hundred twenty-six".