23145354147028 has 6 divisors (see below), whose sum is σ = 40504369757306. Its totient is φ = 11572677073512.

The previous prime is 23145354147001. The next prime is 23145354147037. The reversal of 23145354147028 is 82074145354132.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 15191893791684 + 7953460355344 = 3897678^2 + 2820188^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2893169268375 + ... + 2893169268382.

Almost surely, 2^{23145354147028} is an apocalyptic number.

It is an amenable number.

23145354147028 is a deficient number, since it is larger than the sum of its proper divisors (17359015610278).

23145354147028 is a wasteful number, since it uses less digits than its factorization.

23145354147028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5786338536761 (or 5786338536759 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 49.

The spelling of 23145354147028 in words is "twenty-three trillion, one hundred forty-five billion, three hundred fifty-four million, one hundred forty-seven thousand, twenty-eight".