23542174426 has 4 divisors (see below), whose sum is σ = 35313261642. Its totient is φ = 11771087212.

The previous prime is 23542174417. The next prime is 23542174433. The reversal of 23542174426 is 62447124532.

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

It can be written as a sum of positive squares in only one way, i.e., 14994247401 + 8547927025 = 122451^2 + 92455^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5885543605 + ... + 5885543608.

Almost surely, 2^23542174426 is an apocalyptic number.

23542174426 is a deficient number, since it is larger than the sum of its proper divisors (11771087216).

23542174426 is a wasteful number, since it uses less digits than its factorization.

23542174426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11771087215.

The product of its digits is 322560, while the sum is 40.

Adding to 23542174426 its reverse (62447124532), we get a palindrome (85989298958).

The spelling of 23542174426 in words is "twenty-three billion, five hundred forty-two million, one hundred seventy-four thousand, four hundred twenty-six".