23415342405242 has 16 divisors (see below), whose sum is σ = 35195143819752. Its totient is φ = 11683638639360.

The previous prime is 23415342405211. The next prime is 23415342405319. The reversal of 23415342405242 is 24250424351432.

It can be written as a sum of positive squares in 4 ways, for example, as 16189831748281 + 7225510656961 = 4023659^2 + 2688031^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 23415342405242.

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, 1615478 + ... + 7031390.

Almost surely, 2^{23415342405242} is an apocalyptic number.

23415342405242 is a deficient number, since it is larger than the sum of its proper divisors (11779801414510).

23415342405242 is a wasteful number, since it uses less digits than its factorization.

23415342405242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5420353.

The product of its (nonzero) digits is 921600, while the sum is 41.

Adding to 23415342405242 its reverse (24250424351432), we get a palindrome (47665766756674).

The spelling of 23415342405242 in words is "twenty-three trillion, four hundred fifteen billion, three hundred forty-two million, four hundred five thousand, two hundred forty-two".