23151340421342 has 16 divisors (see below), whose sum is σ = 40246998239232. Its totient is φ = 9782256515640.

The previous prime is 23151340421303. The next prime is 23151340421353. The reversal of 23151340421342 is 24312404315132.

It is a congruent number.

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, 11645542478 + ... + 11645544465.

It is an arithmetic number, because the mean of its divisors is an integer number (2515437389952).

Almost surely, 2^{23151340421342} is an apocalyptic number.

23151340421342 is a deficient number, since it is larger than the sum of its proper divisors (17095657817890).

23151340421342 is a wasteful number, since it uses less digits than its factorization.

23151340421342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23291087023.

The product of its (nonzero) digits is 69120, while the sum is 35.

Adding to 23151340421342 its reverse (24312404315132), we get a palindrome (47463744736474).

The spelling of 23151340421342 in words is "twenty-three trillion, one hundred fifty-one billion, three hundred forty million, four hundred twenty-one thousand, three hundred forty-two".