23150121005 has 16 divisors (see below), whose sum is σ = 30332824704. Its totient is φ = 16821334080.

The previous prime is 23150120989. The next prime is 23150121013. The reversal of 23150121005 is 50012105132.

It is a happy number.

It is not a de Polignac number, because 23150121005 - 2⁴ = 23150120989 is a prime.

It is a super-2 number, since 2×23150121005² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126977 + ... + 249846.

It is an arithmetic number, because the mean of its divisors is an integer number (1895801544).

Almost surely, 2^23150121005 is an apocalyptic number.

It is an amenable number.

23150121005 is a deficient number, since it is larger than the sum of its proper divisors (7182703699).

23150121005 is a wasteful number, since it uses less digits than its factorization.

23150121005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377956.

The product of its (nonzero) digits is 300, while the sum is 20.

Adding to 23150121005 its reverse (50012105132), we get a palindrome (73162226137).

The spelling of 23150121005 in words is "twenty-three billion, one hundred fifty million, one hundred twenty-one thousand, five".