23420143017154 has 64 divisors (see below), whose sum is σ = 39862306310400. Its totient is φ = 10230470836992.

The previous prime is 23420143017143. The next prime is 23420143017203. The reversal of 23420143017154 is 45171034102432.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3869176392 + ... + 3869182444.

It is an arithmetic number, because the mean of its divisors is an integer number (622848536100).

Almost surely, 2^{23420143017154} is an apocalyptic number.

23420143017154 is a deficient number, since it is larger than the sum of its proper divisors (16442163293246).

23420143017154 is a wasteful number, since it uses less digits than its factorization.

23420143017154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12379.

The product of its (nonzero) digits is 80640, while the sum is 37.

Adding to 23420143017154 its reverse (45171034102432), we get a palindrome (68591177119586).

The spelling of 23420143017154 in words is "twenty-three trillion, four hundred twenty billion, one hundred forty-three million, seventeen thousand, one hundred fifty-four".