45423130121 has 8 divisors (see below), whose sum is σ = 47818212000. Its totient is φ = 43028487360.

The previous prime is 45423130087. The next prime is 45423130147. The reversal of 45423130121 is 12103132454.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45423130121 - 2⁶ = 45423130057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45423130021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114305 + ... + 322353.

It is an arithmetic number, because the mean of its divisors is an integer number (5977276500).

Almost surely, 2^45423130121 is an apocalyptic number.

It is an amenable number.

45423130121 is a deficient number, since it is larger than the sum of its proper divisors (2395081879).

45423130121 is a wasteful number, since it uses less digits than its factorization.

45423130121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219559.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 45423130121 its reverse (12103132454), we get a palindrome (57526262575).

The spelling of 45423130121 in words is "forty-five billion, four hundred twenty-three million, one hundred thirty thousand, one hundred twenty-one".