23435145554 has 16 divisors (see below), whose sum is σ = 35811588120. Its totient is φ = 11498837760.

The previous prime is 23435145511. The next prime is 23435145577. The reversal of 23435145554 is 45554153432.

It can be written as a sum of positive squares in 4 ways, for example, as 7573002529 + 15862143025 = 87023^2 + 125945^2 .

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, 168989 + ... + 274640.

Almost surely, 2^23435145554 is an apocalyptic number.

23435145554 is a deficient number, since it is larger than the sum of its proper divisors (12376442566).

23435145554 is a wasteful number, since it uses less digits than its factorization.

23435145554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444125.

The product of its digits is 720000, while the sum is 41.

Adding to 23435145554 its reverse (45554153432), we get a palindrome (68989298986).

The spelling of 23435145554 in words is "twenty-three billion, four hundred thirty-five million, one hundred forty-five thousand, five hundred fifty-four".