23163666345425 has 24 divisors (see below), whose sum is σ = 28822001898816. Its totient is φ = 18467030728640.

The previous prime is 23163666345397. The next prime is 23163666345461. The reversal of 23163666345425 is 52454366636132.

It is a happy number.

It is not a de Polignac number, because 23163666345425 - 2²⁸ = 23163397909969 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 407732372 + ... + 407789178.

It is an arithmetic number, because the mean of its divisors is an integer number (1200916745784).

Almost surely, 2^{23163666345425} is an apocalyptic number.

23163666345425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23163666345425 is a deficient number, since it is larger than the sum of its proper divisors (5658335553391).

23163666345425 is a wasteful number, since it uses less digits than its factorization.

23163666345425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112777 (or 112772 counting only the distinct ones).

The product of its digits is 55987200, while the sum is 56.

The spelling of 23163666345425 in words is "twenty-three trillion, one hundred sixty-three billion, six hundred sixty-six million, three hundred forty-five thousand, four hundred twenty-five".